---
title: "Summary of New Features in 9"
language: "en"
type: "Guide"
summary: "A list of key new features since 8."
sections: 
  - 
    title: "Units"
    link: "paclet:guide/Units"
  - 
    title: "New in String Manipulation and Comparison"
    link: "paclet:guide/SequenceAlignmentAndComparison"
  - 
    title: "Descriptive Statistics – Dependency Measures"
    link: "paclet:guide/DescriptiveStatistics"
  - 
    title: "Hypothesis Tests – Independence Tests"
    link: "paclet:guide/HypothesisTests"
  - 
    title: "New Parametric Distributions"
    link: "null"
  - 
    title: "Derived Distributions"
    link: "paclet:guide/DerivedDistributions"
  - 
    title: "New Data Models"
    link: "null"
  - 
    title: "Survival Analysis"
    link: "paclet:guide/SurvivalAnalysis"
  - 
    title: "Reliability Modeling and Analysis"
    link: "paclet:guide/Reliability"
  - 
    title: "Random Processes"
    link: "paclet:guide/RandomProcesses"
  - 
    title: "Parametric Processes"
    link: "paclet:guide/ParametricRandomProcesses"
  - 
    title: "Finite Markov Processes"
    link: "paclet:guide/MarkovProcesses"
  - 
    title: "Queueing Processes"
    link: "paclet:guide/QueueingProcesses"
  - 
    title: "Time Series Processes"
    link: "paclet:guide/TimeSeriesProcesses"
  - 
    title: "Stochastic Differential Equation Processes"
    link: "paclet:guide/StochasticDifferentialEquationProcesses"
  - 
    title: "Differential Equations with Events"
    link: "paclet:guide/DifferentialEquationsWithEvents"
  - 
    title: "Differential Equations with Parameters"
    link: "null"
  - 
    title: "Differential Algebraic Equations"
    link: "null"
  - 
    title: "Graphs & Networks"
    link: "paclet:guide/GraphsAndNetworks"
  - 
    title: "Social Network Analysis"
    link: "paclet:guide/SocialNetworks"
  - 
    title: "Network Flows and Cuts"
    link: "paclet:guide/GraphPathsCyclesAndFlows"
  - 
    title: "Random Graphs"
    link: "paclet:guide/RandomGraphs"
  - 
    title: "Control Systems"
    link: "null"
  - 
    title: "Models with Time Delays"
    link: "paclet:guide/DelayControlSystems"
  - 
    title: "Models with Algebraic Constraints"
    link: "paclet:guide/DescriptorControlSystems"
  - 
    title: "Fast Symbolic Linear and Polynomial Algebra"
    link: "null"
  - 
    title: "New Polynomial Functions"
    link: "null"
  - 
    title: "New Matrix Functions"
    link: "null"
  - 
    title: "New Algebraic Numbers"
    link: "null"
  - 
    title: "Vector Calculus"
    link: "paclet:guide/VectorAnalysis"
  - 
    title: "Coordinate Systems"
    link: "null"
  - 
    title: "Symbolic Tensor Algebra"
    link: "paclet:guide/SymbolicTensors"
  - 
    title: "Symmetries and Symmetrized Arrays"
    link: "null"
  - 
    title: "New Built-in Legends"
    link: "paclet:guide/Legends"
  - 
    title: "New Built-in Unit Visualization"
    link: "null"
  - 
    title: "New Gauges"
    link: "paclet:guide/Gauges"
  - 
    title: "New Volume Visualization"
    link: "null"
  - 
    title: "Other Improvements"
    link: "null"
  - 
    title: "New Import & Export Formats"
    link: "null"
  - 
    title: "Updated Import & Export Formats"
    link: "null"
  - 
    title: "New in Date & Time"
    link: "paclet:guide/DateAndTime"
  - 
    title: "New in Image Processing & Analysis"
    link: "paclet:guide/ImageProcessing"
  - 
    title: "New in Signal Processing"
    link: "paclet:guide/SignalProcessing"
  - 
    title: "New Controls"
    link: "null"
  - 
    title: "Cell Handles"
    link: "null"
  - 
    title: "Stream Operations"
    link: "null"
  - 
    title: 
- RLink
- 
    link: "paclet:RLink/guide/RLink"
  - 
    title: "System Environment"
    link: "null"
  - 
    title: "Text-Based Interface"
    link: "null"
keywords: 
- what's new
- new in version 9
- new functions
canonical_url: "https://reference.wolfram.com/language/guide/SummaryOfNewFeaturesIn90.html"
source: "Wolfram Language Documentation"
related_guides: 
  - 
    title: "Index of All New Functions"
    link: "https://reference.wolfram.com/language/guide/NewIn90AlphabeticalListing.en.md"
  - 
    title: "New in 9.0: Core Language"
    link: "https://reference.wolfram.com/language/guide/NewIn90CoreLanguage.en.md"
  - 
    title: "New in 9.0: Mathematics & Algorithms"
    link: "https://reference.wolfram.com/language/guide/NewIn90MathematicsAndAlgorithms.en.md"
  - 
    title: "New in 9.0: Visualization & Graphics"
    link: "https://reference.wolfram.com/language/guide/NewIn90VisualizationAndGraphics.en.md"
  - 
    title: "New in 9.0: Dynamic Interactivity"
    link: "https://reference.wolfram.com/language/guide/NewIn90DynamicInteractivity.en.md"
  - 
    title: "New in 9.0: Data Manipulation"
    link: "https://reference.wolfram.com/language/guide/NewIn90DataManipulation.en.md"
  - 
    title: "New in 9.0: Computable Data"
    link: "https://reference.wolfram.com/language/guide/NewIn90ComputableData.en.md"
  - 
    title: "New in 9.0: Notebooks & Documents"
    link: "https://reference.wolfram.com/language/guide/NewIn90NotebooksAndDocuments.en.md"
  - 
    title: "New in 9.0: Systems Interfaces & Deployment"
    link: "https://reference.wolfram.com/language/guide/NewIn90SystemsInterfacesAndDeployment.en.md"
  - 
    title: "Summary of New Features in 8.0"
    link: "https://reference.wolfram.com/language/guide/SummaryOfNewFeaturesIn80.en.md"
related_functions: 
  - 
    title: "AngularGauge"
    link: "https://reference.wolfram.com/language/ref/AngularGauge.en.md"
  - 
    title: "Antisymmetric"
    link: "https://reference.wolfram.com/language/ref/Antisymmetric.en.md"
  - 
    title: "ARIMAProcess"
    link: "https://reference.wolfram.com/language/ref/ARIMAProcess.en.md"
  - 
    title: "ARMAProcess"
    link: "https://reference.wolfram.com/language/ref/ARMAProcess.en.md"
  - 
    title: "ArrayPlot"
    link: "https://reference.wolfram.com/language/ref/ArrayPlot.en.md"
  - 
    title: "Arrays"
    link: "https://reference.wolfram.com/language/ref/Arrays.en.md"
  - 
    title: "BandpassFilter"
    link: "https://reference.wolfram.com/language/ref/BandpassFilter.en.md"
  - 
    title: "BandstopFilter"
    link: "https://reference.wolfram.com/language/ref/BandstopFilter.en.md"
  - 
    title: "BarChart"
    link: "https://reference.wolfram.com/language/ref/BarChart.en.md"
  - 
    title: "BarChart3D"
    link: "https://reference.wolfram.com/language/ref/BarChart3D.en.md"
  - 
    title: "BarLegend"
    link: "https://reference.wolfram.com/language/ref/BarLegend.en.md"
  - 
    title: "BarlowProschanImportance"
    link: "https://reference.wolfram.com/language/ref/BarlowProschanImportance.en.md"
  - 
    title: "BetweennessCentrality"
    link: "https://reference.wolfram.com/language/ref/BetweennessCentrality.en.md"
  - 
    title: "BirnbaumImportance"
    link: "https://reference.wolfram.com/language/ref/BirnbaumImportance.en.md"
  - 
    title: "BlomqvistBeta"
    link: "https://reference.wolfram.com/language/ref/BlomqvistBeta.en.md"
  - 
    title: "BlomqvistBetaTest"
    link: "https://reference.wolfram.com/language/ref/BlomqvistBetaTest.en.md"
  - 
    title: "BoxWhiskerChart"
    link: "https://reference.wolfram.com/language/ref/BoxWhiskerChart.en.md"
  - 
    title: "BubbleChart"
    link: "https://reference.wolfram.com/language/ref/BubbleChart.en.md"
  - 
    title: "BubbleChart3D"
    link: "https://reference.wolfram.com/language/ref/BubbleChart3D.en.md"
  - 
    title: "BulletGauge"
    link: "https://reference.wolfram.com/language/ref/BulletGauge.en.md"
  - 
    title: "BusinessDayQ"
    link: "https://reference.wolfram.com/language/ref/BusinessDayQ.en.md"
  - 
    title: "ButterworthFilterModel"
    link: "https://reference.wolfram.com/language/ref/ButterworthFilterModel.en.md"
  - 
    title: "CalendarData"
    link: "https://reference.wolfram.com/language/ref/CalendarData.en.md"
  - 
    title: "CellObject"
    link: "https://reference.wolfram.com/language/ref/CellObject.en.md"
  - 
    title: "Cells"
    link: "https://reference.wolfram.com/language/ref/Cells.en.md"
  - 
    title: "Chebyshev1FilterModel"
    link: "https://reference.wolfram.com/language/ref/Chebyshev1FilterModel.en.md"
  - 
    title: "ClockGauge"
    link: "https://reference.wolfram.com/language/ref/ClockGauge.en.md"
  - 
    title: "ColorData"
    link: "https://reference.wolfram.com/language/ref/ColorData.en.md"
  - 
    title: "ColorProfileData"
    link: "https://reference.wolfram.com/language/ref/ColorProfileData.en.md"
  - 
    title: "ColorReplace"
    link: "https://reference.wolfram.com/language/ref/ColorReplace.en.md"
  - 
    title: "CommonUnits"
    link: "https://reference.wolfram.com/language/ref/CommonUnits.en.md"
  - 
    title: "CompatibleUnitQ"
    link: "https://reference.wolfram.com/language/ref/CompatibleUnitQ.en.md"
  - 
    title: "CompoundPoissonDistribution"
    link: "https://reference.wolfram.com/language/ref/CompoundPoissonDistribution.en.md"
  - 
    title: "ContinuousMarkovProcess"
    link: "https://reference.wolfram.com/language/ref/ContinuousMarkovProcess.en.md"
  - 
    title: "CoordinateChartData"
    link: "https://reference.wolfram.com/language/ref/CoordinateChartData.en.md"
  - 
    title: "CoordinateTransform"
    link: "https://reference.wolfram.com/language/ref/CoordinateTransform.en.md"
  - 
    title: "CoordinateTransformData"
    link: "https://reference.wolfram.com/language/ref/CoordinateTransformData.en.md"
  - 
    title: "CorrelationTest"
    link: "https://reference.wolfram.com/language/ref/CorrelationTest.en.md"
  - 
    title: "CovarianceFunction"
    link: "https://reference.wolfram.com/language/ref/CovarianceFunction.en.md"
  - 
    title: "CoxianDistribution"
    link: "https://reference.wolfram.com/language/ref/CoxianDistribution.en.md"
  - 
    title: "CoxModelFit"
    link: "https://reference.wolfram.com/language/ref/CoxModelFit.en.md"
  - 
    title: "CriticalityFailureImportance"
    link: "https://reference.wolfram.com/language/ref/CriticalityFailureImportance.en.md"
  - 
    title: "CriticalitySuccessImportance"
    link: "https://reference.wolfram.com/language/ref/CriticalitySuccessImportance.en.md"
  - 
    title: "CubeRoot"
    link: "https://reference.wolfram.com/language/ref/CubeRoot.en.md"
  - 
    title: "Curl"
    link: "https://reference.wolfram.com/language/ref/Curl.en.md"
  - 
    title: "DateDifference"
    link: "https://reference.wolfram.com/language/ref/DateDifference.en.md"
  - 
    title: "DatePlus"
    link: "https://reference.wolfram.com/language/ref/DatePlus.en.md"
  - 
    title: "DateRange"
    link: "https://reference.wolfram.com/language/ref/DateRange.en.md"
  - 
    title: "DayCount"
    link: "https://reference.wolfram.com/language/ref/DayCount.en.md"
  - 
    title: "DayMatchQ"
    link: "https://reference.wolfram.com/language/ref/DayMatchQ.en.md"
  - 
    title: "DayPlus"
    link: "https://reference.wolfram.com/language/ref/DayPlus.en.md"
  - 
    title: "DayRange"
    link: "https://reference.wolfram.com/language/ref/DayRange.en.md"
  - 
    title: "DayRound"
    link: "https://reference.wolfram.com/language/ref/DayRound.en.md"
  - 
    title: "DefineInputStreamMethod"
    link: "https://reference.wolfram.com/language/ref/DefineInputStreamMethod.en.md"
  - 
    title: "DefineOutputStreamMethod"
    link: "https://reference.wolfram.com/language/ref/DefineOutputStreamMethod.en.md"
  - 
    title: "DegreeCentrality"
    link: "https://reference.wolfram.com/language/ref/DegreeCentrality.en.md"
  - 
    title: "DensityHistogram"
    link: "https://reference.wolfram.com/language/ref/DensityHistogram.en.md"
  - 
    title: "DescriptorStateSpace"
    link: "https://reference.wolfram.com/language/ref/DescriptorStateSpace.en.md"
  - 
    title: "Det"
    link: "https://reference.wolfram.com/language/ref/Det.en.md"
  - 
    title: "DirichletWindow"
    link: "https://reference.wolfram.com/language/ref/DirichletWindow.en.md"
  - 
    title: "DiscreteMarkovProcess"
    link: "https://reference.wolfram.com/language/ref/DiscreteMarkovProcess.en.md"
  - 
    title: "DiscreteVariables"
    link: "https://reference.wolfram.com/language/ref/DiscreteVariables.en.md"
  - 
    title: "DistributionChart"
    link: "https://reference.wolfram.com/language/ref/DistributionChart.en.md"
  - 
    title: "Div"
    link: "https://reference.wolfram.com/language/ref/Div.en.md"
  - 
    title: "DominantColors"
    link: "https://reference.wolfram.com/language/ref/DominantColors.en.md"
  - 
    title: "Downsample"
    link: "https://reference.wolfram.com/language/ref/Downsample.en.md"
  - 
    title: "EdgeConnectivity"
    link: "https://reference.wolfram.com/language/ref/EdgeConnectivity.en.md"
  - 
    title: "EllipticFilterModel"
    link: "https://reference.wolfram.com/language/ref/EllipticFilterModel.en.md"
  - 
    title: "EmpiricalDistribution"
    link: "https://reference.wolfram.com/language/ref/EmpiricalDistribution.en.md"
  - 
    title: "EquirippleFilterKernel"
    link: "https://reference.wolfram.com/language/ref/EquirippleFilterKernel.en.md"
  - 
    title: "EstimatedDistribution"
    link: "https://reference.wolfram.com/language/ref/EstimatedDistribution.en.md"
  - 
    title: "EstimatedProcess"
    link: "https://reference.wolfram.com/language/ref/EstimatedProcess.en.md"
  - 
    title: "EvaluationCell"
    link: "https://reference.wolfram.com/language/ref/EvaluationCell.en.md"
  - 
    title: "EventData"
    link: "https://reference.wolfram.com/language/ref/EventData.en.md"
  - 
    title: "ExampleData"
    link: "https://reference.wolfram.com/language/ref/ExampleData.en.md"
  - 
    title: "Expand"
    link: "https://reference.wolfram.com/language/ref/Expand.en.md"
  - 
    title: "Export"
    link: "https://reference.wolfram.com/language/ref/Export.en.md"
  - 
    title: "FailureDistribution"
    link: "https://reference.wolfram.com/language/ref/FailureDistribution.en.md"
  - 
    title: "Find"
    link: "https://reference.wolfram.com/language/ref/Find.en.md"
  - 
    title: "FindClique"
    link: "https://reference.wolfram.com/language/ref/FindClique.en.md"
  - 
    title: "FindEdgeCut"
    link: "https://reference.wolfram.com/language/ref/FindEdgeCut.en.md"
  - 
    title: "FindFaces"
    link: "https://reference.wolfram.com/language/ref/FindFaces.en.md"
  - 
    title: "FindGraphCommunities"
    link: "https://reference.wolfram.com/language/ref/FindGraphCommunities.en.md"
  - 
    title: "FindGraphPartition"
    link: "https://reference.wolfram.com/language/ref/FindGraphPartition.en.md"
  - 
    title: "FindKClan"
    link: "https://reference.wolfram.com/language/ref/FindKClan.en.md"
  - 
    title: "FindKClique"
    link: "https://reference.wolfram.com/language/ref/FindKClique.en.md"
  - 
    title: "FindKClub"
    link: "https://reference.wolfram.com/language/ref/FindKClub.en.md"
  - 
    title: "FindList"
    link: "https://reference.wolfram.com/language/ref/FindList.en.md"
  - 
    title: "FindMaximumFlow"
    link: "https://reference.wolfram.com/language/ref/FindMaximumFlow.en.md"
  - 
    title: "FindMinimumCostFlow"
    link: "https://reference.wolfram.com/language/ref/FindMinimumCostFlow.en.md"
  - 
    title: "FindMinimumCut"
    link: "https://reference.wolfram.com/language/ref/FindMinimumCut.en.md"
  - 
    title: "FindPostmanTour"
    link: "https://reference.wolfram.com/language/ref/FindPostmanTour.en.md"
  - 
    title: "FindVertexCut"
    link: "https://reference.wolfram.com/language/ref/FindVertexCut.en.md"
  - 
    title: "FiniteGroupData"
    link: "https://reference.wolfram.com/language/ref/FiniteGroupData.en.md"
  - 
    title: "FourierDCTFilter"
    link: "https://reference.wolfram.com/language/ref/FourierDCTFilter.en.md"
  - 
    title: "FourierDCTMatrix"
    link: "https://reference.wolfram.com/language/ref/FourierDCTMatrix.en.md"
  - 
    title: "FourierDSTMatrix"
    link: "https://reference.wolfram.com/language/ref/FourierDSTMatrix.en.md"
  - 
    title: "FourierMatrix"
    link: "https://reference.wolfram.com/language/ref/FourierMatrix.en.md"
  - 
    title: "FrequencySamplingFilterKernel"
    link: "https://reference.wolfram.com/language/ref/FrequencySamplingFilterKernel.en.md"
  - 
    title: "FussellVeselyImportance"
    link: "https://reference.wolfram.com/language/ref/FussellVeselyImportance.en.md"
  - 
    title: "GaborFilter"
    link: "https://reference.wolfram.com/language/ref/GaborFilter.en.md"
  - 
    title: "GaugeLabels"
    link: "https://reference.wolfram.com/language/ref/GaugeLabels.en.md"
  - 
    title: "GaugeMarkers"
    link: "https://reference.wolfram.com/language/ref/GaugeMarkers.en.md"
  - 
    title: "GaugeStyle"
    link: "https://reference.wolfram.com/language/ref/GaugeStyle.en.md"
  - 
    title: "GeodesicClosing"
    link: "https://reference.wolfram.com/language/ref/GeodesicClosing.en.md"
  - 
    title: "GeodesicOpening"
    link: "https://reference.wolfram.com/language/ref/GeodesicOpening.en.md"
  - 
    title: "Get"
    link: "https://reference.wolfram.com/language/ref/Get.en.md"
  - 
    title: "GetEnvironment"
    link: "https://reference.wolfram.com/language/ref/GetEnvironment.en.md"
  - 
    title: "GlobalClusteringCoefficient"
    link: "https://reference.wolfram.com/language/ref/GlobalClusteringCoefficient.en.md"
  - 
    title: "GoodmanKruskalGamma"
    link: "https://reference.wolfram.com/language/ref/GoodmanKruskalGamma.en.md"
  - 
    title: "GoodmanKruskalGammaTest"
    link: "https://reference.wolfram.com/language/ref/GoodmanKruskalGammaTest.en.md"
  - 
    title: "Grad"
    link: "https://reference.wolfram.com/language/ref/Grad.en.md"
  - 
    title: "GradientOrientationFilter"
    link: "https://reference.wolfram.com/language/ref/GradientOrientationFilter.en.md"
  - 
    title: "GraphData"
    link: "https://reference.wolfram.com/language/ref/GraphData.en.md"
  - 
    title: "Graphics3D"
    link: "https://reference.wolfram.com/language/ref/Graphics3D.en.md"
  - 
    title: "GraphPropertyDistribution"
    link: "https://reference.wolfram.com/language/ref/GraphPropertyDistribution.en.md"
  - 
    title: "GraphReciprocity"
    link: "https://reference.wolfram.com/language/ref/GraphReciprocity.en.md"
  - 
    title: "HadamardMatrix"
    link: "https://reference.wolfram.com/language/ref/HadamardMatrix.en.md"
  - 
    title: "HammingWindow"
    link: "https://reference.wolfram.com/language/ref/HammingWindow.en.md"
  - 
    title: "HannWindow"
    link: "https://reference.wolfram.com/language/ref/HannWindow.en.md"
  - 
    title: "HighpassFilter"
    link: "https://reference.wolfram.com/language/ref/HighpassFilter.en.md"
  - 
    title: "Histogram"
    link: "https://reference.wolfram.com/language/ref/Histogram.en.md"
  - 
    title: "Histogram3D"
    link: "https://reference.wolfram.com/language/ref/Histogram3D.en.md"
  - 
    title: "HistogramTransform"
    link: "https://reference.wolfram.com/language/ref/HistogramTransform.en.md"
  - 
    title: "HistogramTransformInterpolation"
    link: "https://reference.wolfram.com/language/ref/HistogramTransformInterpolation.en.md"
  - 
    title: "HoeffdingD"
    link: "https://reference.wolfram.com/language/ref/HoeffdingD.en.md"
  - 
    title: "HoeffdingDTest"
    link: "https://reference.wolfram.com/language/ref/HoeffdingDTest.en.md"
  - 
    title: "HorizontalGauge"
    link: "https://reference.wolfram.com/language/ref/HorizontalGauge.en.md"
  - 
    title: "HyperexponentialDistribution"
    link: "https://reference.wolfram.com/language/ref/HyperexponentialDistribution.en.md"
  - 
    title: "HypoexponentialDistribution"
    link: "https://reference.wolfram.com/language/ref/HypoexponentialDistribution.en.md"
  - 
    title: "Image3D"
    link: "https://reference.wolfram.com/language/ref/Image3D.en.md"
  - 
    title: "Image3DSlices"
    link: "https://reference.wolfram.com/language/ref/Image3DSlices.en.md"
  - 
    title: "ImageCorners"
    link: "https://reference.wolfram.com/language/ref/ImageCorners.en.md"
  - 
    title: "ImageDistance"
    link: "https://reference.wolfram.com/language/ref/ImageDistance.en.md"
  - 
    title: "ImageFeatureTrack"
    link: "https://reference.wolfram.com/language/ref/ImageFeatureTrack.en.md"
  - 
    title: "ImageFileApply"
    link: "https://reference.wolfram.com/language/ref/ImageFileApply.en.md"
  - 
    title: "ImageFileFilter"
    link: "https://reference.wolfram.com/language/ref/ImageFileFilter.en.md"
  - 
    title: "ImageFileScan"
    link: "https://reference.wolfram.com/language/ref/ImageFileScan.en.md"
  - 
    title: "ImageMeasurements"
    link: "https://reference.wolfram.com/language/ref/ImageMeasurements.en.md"
  - 
    title: "ImagePeriodogram"
    link: "https://reference.wolfram.com/language/ref/ImagePeriodogram.en.md"
  - 
    title: "ImageValuePositions"
    link: "https://reference.wolfram.com/language/ref/ImageValuePositions.en.md"
  - 
    title: "Import"
    link: "https://reference.wolfram.com/language/ref/Import.en.md"
  - 
    title: "ImprovementImportance"
    link: "https://reference.wolfram.com/language/ref/ImprovementImportance.en.md"
  - 
    title: "IndependenceTest"
    link: "https://reference.wolfram.com/language/ref/IndependenceTest.en.md"
  - 
    title: "IndependentUnit"
    link: "https://reference.wolfram.com/language/ref/IndependentUnit.en.md"
  - 
    title: "InputStream"
    link: "https://reference.wolfram.com/language/ref/InputStream.en.md"
  - 
    title: "InstallR"
    link: "https://reference.wolfram.com/language/RLink/ref/InstallR.en.md"
  - 
    title: "ItoProcess"
    link: "https://reference.wolfram.com/language/ref/ItoProcess.en.md"
  - 
    title: "KaiserWindow"
    link: "https://reference.wolfram.com/language/ref/KaiserWindow.en.md"
  - 
    title: "KendallTau"
    link: "https://reference.wolfram.com/language/ref/KendallTau.en.md"
  - 
    title: "KendallTauTest"
    link: "https://reference.wolfram.com/language/ref/KendallTauTest.en.md"
  - 
    title: "KroneckerModelDecomposition"
    link: "https://reference.wolfram.com/language/ref/KroneckerModelDecomposition.en.md"
  - 
    title: "LambdaComponents"
    link: "https://reference.wolfram.com/language/ref/LambdaComponents.en.md"
  - 
    title: "Laplacian"
    link: "https://reference.wolfram.com/language/ref/Laplacian.en.md"
  - 
    title: "LeapYearQ"
    link: "https://reference.wolfram.com/language/ref/LeapYearQ.en.md"
  - 
    title: "LeastSquaresFilterKernel"
    link: "https://reference.wolfram.com/language/ref/LeastSquaresFilterKernel.en.md"
  - 
    title: "Legended"
    link: "https://reference.wolfram.com/language/ref/Legended.en.md"
  - 
    title: "LegendLabel"
    link: "https://reference.wolfram.com/language/ref/LegendLabel.en.md"
  - 
    title: "LegendLayout"
    link: "https://reference.wolfram.com/language/ref/LegendLayout.en.md"
  - 
    title: "LegendMarkers"
    link: "https://reference.wolfram.com/language/ref/LegendMarkers.en.md"
  - 
    title: "LinearSolve"
    link: "https://reference.wolfram.com/language/ref/LinearSolve.en.md"
  - 
    title: "LineLegend"
    link: "https://reference.wolfram.com/language/ref/LineLegend.en.md"
  - 
    title: "ListContourPlot"
    link: "https://reference.wolfram.com/language/ref/ListContourPlot.en.md"
  - 
    title: "ListDensityPlot"
    link: "https://reference.wolfram.com/language/ref/ListDensityPlot.en.md"
  - 
    title: "ListFourierSequenceTransform"
    link: "https://reference.wolfram.com/language/ref/ListFourierSequenceTransform.en.md"
  - 
    title: "ListLinePlot"
    link: "https://reference.wolfram.com/language/ref/ListLinePlot.en.md"
  - 
    title: "ListLogLinearPlot"
    link: "https://reference.wolfram.com/language/ref/ListLogLinearPlot.en.md"
  - 
    title: "ListLogLogPlot"
    link: "https://reference.wolfram.com/language/ref/ListLogLogPlot.en.md"
  - 
    title: "ListLogPlot"
    link: "https://reference.wolfram.com/language/ref/ListLogPlot.en.md"
  - 
    title: "ListPicker"
    link: "https://reference.wolfram.com/language/ref/ListPicker.en.md"
  - 
    title: "ListPlot"
    link: "https://reference.wolfram.com/language/ref/ListPlot.en.md"
  - 
    title: "ListPlot3D"
    link: "https://reference.wolfram.com/language/ref/ListPlot3D.en.md"
  - 
    title: "ListZTransform"
    link: "https://reference.wolfram.com/language/ref/ListZTransform.en.md"
  - 
    title: "LocalClusteringCoefficient"
    link: "https://reference.wolfram.com/language/ref/LocalClusteringCoefficient.en.md"
  - 
    title: "LogMultinormalDistribution"
    link: "https://reference.wolfram.com/language/ref/LogMultinormalDistribution.en.md"
  - 
    title: "LogRankTest"
    link: "https://reference.wolfram.com/language/ref/LogRankTest.en.md"
  - 
    title: "LowpassFilter"
    link: "https://reference.wolfram.com/language/ref/LowpassFilter.en.md"
  - 
    title: "LuccioSamiComponents"
    link: "https://reference.wolfram.com/language/ref/LuccioSamiComponents.en.md"
  - 
    title: "Matrices"
    link: "https://reference.wolfram.com/language/ref/Matrices.en.md"
  - 
    title: "MatrixFunction"
    link: "https://reference.wolfram.com/language/ref/MatrixFunction.en.md"
  - 
    title: "MatrixLog"
    link: "https://reference.wolfram.com/language/ref/MatrixLog.en.md"
  - 
    title: "MatrixPlot"
    link: "https://reference.wolfram.com/language/ref/MatrixPlot.en.md"
  - 
    title: "MatrixRank"
    link: "https://reference.wolfram.com/language/ref/MatrixRank.en.md"
  - 
    title: "Mean"
    link: "https://reference.wolfram.com/language/ref/Mean.en.md"
  - 
    title: "MeanClusteringCoefficient"
    link: "https://reference.wolfram.com/language/ref/MeanClusteringCoefficient.en.md"
  - 
    title: "MeixnerDistribution"
    link: "https://reference.wolfram.com/language/ref/MeixnerDistribution.en.md"
  - 
    title: "NDSolve"
    link: "https://reference.wolfram.com/language/ref/NDSolve.en.md"
  - 
    title: "NDSolveValue"
    link: "https://reference.wolfram.com/language/ref/NDSolveValue.en.md"
  - 
    title: "NonlocalMeansFilter"
    link: "https://reference.wolfram.com/language/ref/NonlocalMeansFilter.en.md"
  - 
    title: "NullSpace"
    link: "https://reference.wolfram.com/language/ref/NullSpace.en.md"
  - 
    title: "OpenRead"
    link: "https://reference.wolfram.com/language/ref/OpenRead.en.md"
  - 
    title: "OptimumFlowData"
    link: "https://reference.wolfram.com/language/ref/OptimumFlowData.en.md"
  - 
    title: "OrderDistribution"
    link: "https://reference.wolfram.com/language/ref/OrderDistribution.en.md"
  - 
    title: "OutputStream"
    link: "https://reference.wolfram.com/language/ref/OutputStream.en.md"
  - 
    title: "PairedHistogram"
    link: "https://reference.wolfram.com/language/ref/PairedHistogram.en.md"
  - 
    title: "PairedSmoothHistogram"
    link: "https://reference.wolfram.com/language/ref/PairedSmoothHistogram.en.md"
  - 
    title: "ParametricFunction"
    link: "https://reference.wolfram.com/language/ref/ParametricFunction.en.md"
  - 
    title: "ParametricNDSolve"
    link: "https://reference.wolfram.com/language/ref/ParametricNDSolve.en.md"
  - 
    title: "ParametricNDSolveValue"
    link: "https://reference.wolfram.com/language/ref/ParametricNDSolveValue.en.md"
  - 
    title: "PearsonCorrelationTest"
    link: "https://reference.wolfram.com/language/ref/PearsonCorrelationTest.en.md"
  - 
    title: "Periodogram"
    link: "https://reference.wolfram.com/language/ref/Periodogram.en.md"
  - 
    title: "PIDTune"
    link: "https://reference.wolfram.com/language/ref/PIDTune.en.md"
  - 
    title: "PieChart"
    link: "https://reference.wolfram.com/language/ref/PieChart.en.md"
  - 
    title: "PieChart3D"
    link: "https://reference.wolfram.com/language/ref/PieChart3D.en.md"
  - 
    title: "PillaiTrace"
    link: "https://reference.wolfram.com/language/ref/PillaiTrace.en.md"
  - 
    title: "PillaiTraceTest"
    link: "https://reference.wolfram.com/language/ref/PillaiTraceTest.en.md"
  - 
    title: "PixelValuePositions"
    link: "https://reference.wolfram.com/language/ref/PixelValuePositions.en.md"
  - 
    title: "PlanarGraphQ"
    link: "https://reference.wolfram.com/language/ref/PlanarGraphQ.en.md"
  - 
    title: "PlotLegends"
    link: "https://reference.wolfram.com/language/ref/PlotLegends.en.md"
  - 
    title: "PointLegend"
    link: "https://reference.wolfram.com/language/ref/PointLegend.en.md"
  - 
    title: "PoissonProcess"
    link: "https://reference.wolfram.com/language/ref/PoissonProcess.en.md"
  - 
    title: "PolynomialExtendedGCD"
    link: "https://reference.wolfram.com/language/ref/PolynomialExtendedGCD.en.md"
  - 
    title: "ProbabilityPlot"
    link: "https://reference.wolfram.com/language/ref/ProbabilityPlot.en.md"
  - 
    title: "ProbabilityScalePlot"
    link: "https://reference.wolfram.com/language/ref/ProbabilityScalePlot.en.md"
  - 
    title: "QuantilePlot"
    link: "https://reference.wolfram.com/language/ref/QuantilePlot.en.md"
  - 
    title: "Quantity"
    link: "https://reference.wolfram.com/language/ref/Quantity.en.md"
  - 
    title: "QuantityForm"
    link: "https://reference.wolfram.com/language/ref/QuantityForm.en.md"
  - 
    title: "QuantityMagnitude"
    link: "https://reference.wolfram.com/language/ref/QuantityMagnitude.en.md"
  - 
    title: "QuantityQ"
    link: "https://reference.wolfram.com/language/ref/QuantityQ.en.md"
  - 
    title: "QuantityUnit"
    link: "https://reference.wolfram.com/language/ref/QuantityUnit.en.md"
  - 
    title: "QueueingNetworkProcess"
    link: "https://reference.wolfram.com/language/ref/QueueingNetworkProcess.en.md"
  - 
    title: "QueueingProcess"
    link: "https://reference.wolfram.com/language/ref/QueueingProcess.en.md"
  - 
    title: "RandomFunction"
    link: "https://reference.wolfram.com/language/ref/RandomFunction.en.md"
  - 
    title: "RandomWalkProcess"
    link: "https://reference.wolfram.com/language/ref/RandomWalkProcess.en.md"
  - 
    title: "Raster3D"
    link: "https://reference.wolfram.com/language/ref/Raster3D.en.md"
  - 
    title: "RAttributes"
    link: "https://reference.wolfram.com/language/RLink/ref/RAttributes.en.md"
  - 
    title: "RCode"
    link: "https://reference.wolfram.com/language/RLink/ref/RCode.en.md"
  - 
    title: "Read"
    link: "https://reference.wolfram.com/language/ref/Read.en.md"
  - 
    title: "RectangleChart"
    link: "https://reference.wolfram.com/language/ref/RectangleChart.en.md"
  - 
    title: "RectangleChart3D"
    link: "https://reference.wolfram.com/language/ref/RectangleChart3D.en.md"
  - 
    title: "RecurrenceFilter"
    link: "https://reference.wolfram.com/language/ref/RecurrenceFilter.en.md"
  - 
    title: "ReliabilityDistribution"
    link: "https://reference.wolfram.com/language/ref/ReliabilityDistribution.en.md"
  - 
    title: "REnvironment"
    link: "https://reference.wolfram.com/language/RLink/ref/REnvironment.en.md"
  - 
    title: "ReplaceImageValue"
    link: "https://reference.wolfram.com/language/ref/ReplaceImageValue.en.md"
  - 
    title: "ReplacePixelValue"
    link: "https://reference.wolfram.com/language/ref/ReplacePixelValue.en.md"
  - 
    title: "REvaluate"
    link: "https://reference.wolfram.com/language/RLink/ref/REvaluate.en.md"
  - 
    title: "RFunction"
    link: "https://reference.wolfram.com/language/RLink/ref/RFunction.en.md"
  - 
    title: "RiskAchievementImportance"
    link: "https://reference.wolfram.com/language/ref/RiskAchievementImportance.en.md"
  - 
    title: "RiskReductionImportance"
    link: "https://reference.wolfram.com/language/ref/RiskReductionImportance.en.md"
  - 
    title: "RList"
    link: "https://reference.wolfram.com/language/RLink/ref/RList.en.md"
  - 
    title: "RObject"
    link: "https://reference.wolfram.com/language/RLink/ref/RObject.en.md"
  - 
    title: "RSet"
    link: "https://reference.wolfram.com/language/RLink/ref/RSet.en.md"
  - 
    title: "RVector"
    link: "https://reference.wolfram.com/language/RLink/ref/RVector.en.md"
  - 
    title: "SectorChart"
    link: "https://reference.wolfram.com/language/ref/SectorChart.en.md"
  - 
    title: "SectorChart3D"
    link: "https://reference.wolfram.com/language/ref/SectorChart3D.en.md"
  - 
    title: "SelectedCells"
    link: "https://reference.wolfram.com/language/ref/SelectedCells.en.md"
  - 
    title: "SetEnvironment"
    link: "https://reference.wolfram.com/language/ref/SetEnvironment.en.md"
  - 
    title: "SliceDistribution"
    link: "https://reference.wolfram.com/language/ref/SliceDistribution.en.md"
  - 
    title: "SmithDelayCompensator"
    link: "https://reference.wolfram.com/language/ref/SmithDelayCompensator.en.md"
  - 
    title: "SpatialGraphDistribution"
    link: "https://reference.wolfram.com/language/ref/SpatialGraphDistribution.en.md"
  - 
    title: "SpearmanRankTest"
    link: "https://reference.wolfram.com/language/ref/SpearmanRankTest.en.md"
  - 
    title: "SpearmanRho"
    link: "https://reference.wolfram.com/language/ref/SpearmanRho.en.md"
  - 
    title: "Spectrogram"
    link: "https://reference.wolfram.com/language/ref/Spectrogram.en.md"
  - 
    title: "SplicedDistribution"
    link: "https://reference.wolfram.com/language/ref/SplicedDistribution.en.md"
  - 
    title: "StandbyDistribution"
    link: "https://reference.wolfram.com/language/ref/StandbyDistribution.en.md"
  - 
    title: "StateSpaceModel"
    link: "https://reference.wolfram.com/language/ref/StateSpaceModel.en.md"
  - 
    title: "StationaryDistribution"
    link: "https://reference.wolfram.com/language/ref/StationaryDistribution.en.md"
  - 
    title: "StratonovichProcess"
    link: "https://reference.wolfram.com/language/ref/StratonovichProcess.en.md"
  - 
    title: "StringRotateLeft"
    link: "https://reference.wolfram.com/language/ref/StringRotateLeft.en.md"
  - 
    title: "StringRotateRight"
    link: "https://reference.wolfram.com/language/ref/StringRotateRight.en.md"
  - 
    title: "StructuralImportance"
    link: "https://reference.wolfram.com/language/ref/StructuralImportance.en.md"
  - 
    title: "SubresultantPolynomialRemainders"
    link: "https://reference.wolfram.com/language/ref/SubresultantPolynomialRemainders.en.md"
  - 
    title: "SubresultantPolynomials"
    link: "https://reference.wolfram.com/language/ref/SubresultantPolynomials.en.md"
  - 
    title: "Subresultants"
    link: "https://reference.wolfram.com/language/ref/Subresultants.en.md"
  - 
    title: "Surd"
    link: "https://reference.wolfram.com/language/ref/Surd.en.md"
  - 
    title: "SurvivalModelFit"
    link: "https://reference.wolfram.com/language/ref/SurvivalModelFit.en.md"
  - 
    title: "SwatchLegend"
    link: "https://reference.wolfram.com/language/ref/SwatchLegend.en.md"
  - 
    title: "Symmetric"
    link: "https://reference.wolfram.com/language/ref/Symmetric.en.md"
  - 
    title: "SymmetrizedArray"
    link: "https://reference.wolfram.com/language/ref/SymmetrizedArray.en.md"
  - 
    title: "SymmetrizedDependentComponents"
    link: "https://reference.wolfram.com/language/ref/SymmetrizedDependentComponents.en.md"
  - 
    title: "SymmetrizedIndependentComponents"
    link: "https://reference.wolfram.com/language/ref/SymmetrizedIndependentComponents.en.md"
  - 
    title: "SystemsModelDelay"
    link: "https://reference.wolfram.com/language/ref/SystemsModelDelay.en.md"
  - 
    title: "SystemsModelDelayApproximate"
    link: "https://reference.wolfram.com/language/ref/SystemsModelDelayApproximate.en.md"
  - 
    title: "TargetUnits"
    link: "https://reference.wolfram.com/language/ref/TargetUnits.en.md"
  - 
    title: "TemporalData"
    link: "https://reference.wolfram.com/language/ref/TemporalData.en.md"
  - 
    title: "TensorContract"
    link: "https://reference.wolfram.com/language/ref/TensorContract.en.md"
  - 
    title: "TensorDimensions"
    link: "https://reference.wolfram.com/language/ref/TensorDimensions.en.md"
  - 
    title: "TensorProduct"
    link: "https://reference.wolfram.com/language/ref/TensorProduct.en.md"
  - 
    title: "TensorRank"
    link: "https://reference.wolfram.com/language/ref/TensorRank.en.md"
  - 
    title: "TensorSymmetry"
    link: "https://reference.wolfram.com/language/ref/TensorSymmetry.en.md"
  - 
    title: "TensorTranspose"
    link: "https://reference.wolfram.com/language/ref/TensorTranspose.en.md"
  - 
    title: "ThermometerGauge"
    link: "https://reference.wolfram.com/language/ref/ThermometerGauge.en.md"
  - 
    title: "TransferFunctionModel"
    link: "https://reference.wolfram.com/language/ref/TransferFunctionModel.en.md"
  - 
    title: "TransferFunctionTransform"
    link: "https://reference.wolfram.com/language/ref/TransferFunctionTransform.en.md"
  - 
    title: "TransformedField"
    link: "https://reference.wolfram.com/language/ref/TransformedField.en.md"
  - 
    title: "TsallisQExponentialDistribution"
    link: "https://reference.wolfram.com/language/ref/TsallisQExponentialDistribution.en.md"
  - 
    title: "TsallisQGaussianDistribution"
    link: "https://reference.wolfram.com/language/ref/TsallisQGaussianDistribution.en.md"
  - 
    title: "UninstallR"
    link: "https://reference.wolfram.com/language/RLink/ref/UninstallR.en.md"
  - 
    title: "UnitConvert"
    link: "https://reference.wolfram.com/language/ref/UnitConvert.en.md"
  - 
    title: "UnitSimplify"
    link: "https://reference.wolfram.com/language/ref/UnitSimplify.en.md"
  - 
    title: "Upsample"
    link: "https://reference.wolfram.com/language/ref/Upsample.en.md"
  - 
    title: "VarianceGammaDistribution"
    link: "https://reference.wolfram.com/language/ref/VarianceGammaDistribution.en.md"
  - 
    title: "Vectors"
    link: "https://reference.wolfram.com/language/ref/Vectors.en.md"
  - 
    title: "VertexConnectivity"
    link: "https://reference.wolfram.com/language/ref/VertexConnectivity.en.md"
  - 
    title: "VerticalGauge"
    link: "https://reference.wolfram.com/language/ref/VerticalGauge.en.md"
  - 
    title: "WeaklyConnectedComponents"
    link: "https://reference.wolfram.com/language/ref/WeaklyConnectedComponents.en.md"
  - 
    title: "WeightedData"
    link: "https://reference.wolfram.com/language/ref/WeightedData.en.md"
  - 
    title: "WhenEvent"
    link: "https://reference.wolfram.com/language/ref/WhenEvent.en.md"
  - 
    title: "WienerProcess"
    link: "https://reference.wolfram.com/language/ref/WienerProcess.en.md"
  - 
    title: "WilksW"
    link: "https://reference.wolfram.com/language/ref/WilksW.en.md"
  - 
    title: "WolframAlpha"
    link: "https://reference.wolfram.com/language/ref/WolframAlpha.en.md"
---
# Summary of New Features in 9

A list of key new features since 8.

---

## Core Language

### [`Units`](https://reference.wolfram.com/language/guide/Units.en.md)

[`Quantity`](https://reference.wolfram.com/language/ref/Quantity.en.md) — represents a value associated with a unit

[`UnitConvert`](https://reference.wolfram.com/language/ref/UnitConvert.en.md) — convert between different units and unit systems

[`QuantityMagnitude`](https://reference.wolfram.com/language/ref/QuantityMagnitude.en.md) — give the value associated with a quantity

[`QuantityUnit`](https://reference.wolfram.com/language/ref/QuantityUnit.en.md) — give the unit associated with a quantity

[`CompatibleUnitQ`](https://reference.wolfram.com/language/ref/CompatibleUnitQ.en.md) — test whether multiple quantities are compatible

[`CommonUnits`](https://reference.wolfram.com/language/ref/CommonUnits.en.md) — convert a list of quantities to a common unit

[`UnitSimplify`](https://reference.wolfram.com/language/ref/UnitSimplify.en.md) — convert to simpler units

* [`TargetUnits`](https://reference.wolfram.com/language/ref/TargetUnits.en.md)
* [`IndependentUnit`](https://reference.wolfram.com/language/ref/IndependentUnit.en.md)
* [`QuantityForm`](https://reference.wolfram.com/language/ref/QuantityForm.en.md)
* [`QuantityQ`](https://reference.wolfram.com/language/ref/QuantityQ.en.md)

### [New in String Manipulation and Comparison](https://reference.wolfram.com/language/guide/SequenceAlignmentAndComparison.en.md)

[`StringRotateLeft`](https://reference.wolfram.com/language/ref/StringRotateLeft.en.md) — cycles the characters in a string to the left

[`StringRotateRight`](https://reference.wolfram.com/language/ref/StringRotateRight.en.md) — cycles the characters in a string to the right

## Mathematics and Algorithms

### [Descriptive Statistics – Dependency Measures](https://reference.wolfram.com/language/guide/DescriptiveStatistics.en.md)

[`SpearmanRho`](https://reference.wolfram.com/language/ref/SpearmanRho.en.md) — Spearman's rank correlation for data and distributions

[`KendallTau`](https://reference.wolfram.com/language/ref/KendallTau.en.md) — Kendall's rank correlation for data and distributions

* [`BlomqvistBeta`](https://reference.wolfram.com/language/ref/BlomqvistBeta.en.md)
* [`GoodmanKruskalGamma`](https://reference.wolfram.com/language/ref/GoodmanKruskalGamma.en.md)
* [`HoeffdingD`](https://reference.wolfram.com/language/ref/HoeffdingD.en.md)
* [`PillaiTrace`](https://reference.wolfram.com/language/ref/PillaiTrace.en.md)
* [`WilksW`](https://reference.wolfram.com/language/ref/WilksW.en.md)

### [Hypothesis Tests – Independence Tests](https://reference.wolfram.com/language/guide/HypothesisTests.en.md)

[`IndependenceTest`](https://reference.wolfram.com/language/ref/IndependenceTest.en.md) — test whether two vectors are independent

[`CorrelationTest`](https://reference.wolfram.com/language/ref/CorrelationTest.en.md) — test whether two vectors are uncorrelated

* [`PearsonCorrelationTest`](https://reference.wolfram.com/language/ref/PearsonCorrelationTest.en.md)
* [`SpearmanRankTest`](https://reference.wolfram.com/language/ref/SpearmanRankTest.en.md)
* [`KendallTauTest`](https://reference.wolfram.com/language/ref/KendallTauTest.en.md)
* [`HoeffdingDTest`](https://reference.wolfram.com/language/ref/HoeffdingDTest.en.md)
* [`GoodmanKruskalGammaTest`](https://reference.wolfram.com/language/ref/GoodmanKruskalGammaTest.en.md)
* [`BlomqvistBetaTest`](https://reference.wolfram.com/language/ref/BlomqvistBetaTest.en.md)
* [`PillaiTraceTest`](https://reference.wolfram.com/language/ref/PillaiTraceTest.en.md)

### New Parametric Distributions

[`HypoexponentialDistribution`](https://reference.wolfram.com/language/ref/HypoexponentialDistribution.en.md) — hypoexponential distribution

[`VarianceGammaDistribution`](https://reference.wolfram.com/language/ref/VarianceGammaDistribution.en.md) — variance gamma distribution

* [`HyperexponentialDistribution`](https://reference.wolfram.com/language/ref/HyperexponentialDistribution.en.md)
* [`CoxianDistribution`](https://reference.wolfram.com/language/ref/CoxianDistribution.en.md)
* [`MeixnerDistribution`](https://reference.wolfram.com/language/ref/MeixnerDistribution.en.md)
* [`TsallisQExponentialDistribution`](https://reference.wolfram.com/language/ref/TsallisQExponentialDistribution.en.md)
* [`TsallisQGaussianDistribution`](https://reference.wolfram.com/language/ref/TsallisQGaussianDistribution.en.md)
* [`LogMultinormalDistribution`](https://reference.wolfram.com/language/ref/LogMultinormalDistribution.en.md)

### [Derived Distributions](https://reference.wolfram.com/language/guide/DerivedDistributions.en.md)

[`SplicedDistribution`](https://reference.wolfram.com/language/ref/SplicedDistribution.en.md) — splicing several distributions such as different body and tail

[`CompoundPoissonDistribution`](https://reference.wolfram.com/language/ref/CompoundPoissonDistribution.en.md) — Poisson distribution with given jump size distribution

[`OrderDistribution`](https://reference.wolfram.com/language/ref/OrderDistribution.en.md) — generalized to different and multivariate distributions

---

### New Data Models

[`EventData`](https://reference.wolfram.com/language/ref/EventData.en.md) — censored (left, right, interval) and truncated data

[`WeightedData`](https://reference.wolfram.com/language/ref/WeightedData.en.md) — weighted data

[`Mean`](https://reference.wolfram.com/language/ref/Mean.en.md) — descriptive statistics works for censored and weighted data

[`EstimatedDistribution`](https://reference.wolfram.com/language/ref/EstimatedDistribution.en.md) — parametric distribution estimation from censored data

[`EmpiricalDistribution`](https://reference.wolfram.com/language/ref/EmpiricalDistribution.en.md) — nonparametric distributions from censored data

### [Survival Analysis](https://reference.wolfram.com/language/guide/SurvivalAnalysis.en.md)

[`SurvivalModelFit`](https://reference.wolfram.com/language/ref/SurvivalModelFit.en.md) — survival functions with confidence bands from censored data

[`CoxModelFit`](https://reference.wolfram.com/language/ref/CoxModelFit.en.md) — Cox proportional hazards model from censored data

[`LogRankTest`](https://reference.wolfram.com/language/ref/LogRankTest.en.md) — hypothesis test for equal hazard rates

### [Reliability Modeling and Analysis](https://reference.wolfram.com/language/guide/Reliability.en.md)

[`ReliabilityDistribution`](https://reference.wolfram.com/language/ref/ReliabilityDistribution.en.md) — reliability block diagram model for a system

[`FailureDistribution`](https://reference.wolfram.com/language/ref/FailureDistribution.en.md) — fault tree model for a system

[`StandbyDistribution`](https://reference.wolfram.com/language/ref/StandbyDistribution.en.md) — standby reliability distribution (cold, hot, ...)

[`BirnbaumImportance`](https://reference.wolfram.com/language/ref/BirnbaumImportance.en.md) — measure to pinpoint the subsystem to improve for reliability

* [`StructuralImportance`](https://reference.wolfram.com/language/ref/StructuralImportance.en.md)
* [`BarlowProschanImportance`](https://reference.wolfram.com/language/ref/BarlowProschanImportance.en.md)
* [`ImprovementImportance`](https://reference.wolfram.com/language/ref/ImprovementImportance.en.md)
* [`RiskAchievementImportance`](https://reference.wolfram.com/language/ref/RiskAchievementImportance.en.md)
* [`RiskReductionImportance`](https://reference.wolfram.com/language/ref/RiskReductionImportance.en.md)
* [`CriticalityFailureImportance`](https://reference.wolfram.com/language/ref/CriticalityFailureImportance.en.md)
* [`CriticalitySuccessImportance`](https://reference.wolfram.com/language/ref/CriticalitySuccessImportance.en.md)
* [`FussellVeselyImportance`](https://reference.wolfram.com/language/ref/FussellVeselyImportance.en.md)

---

### [Random Processes](https://reference.wolfram.com/language/guide/RandomProcesses.en.md)

[`RandomFunction`](https://reference.wolfram.com/language/ref/RandomFunction.en.md) — simulate a random process

[`TemporalData`](https://reference.wolfram.com/language/ref/TemporalData.en.md) — represent one or several time series data

[`EstimatedProcess`](https://reference.wolfram.com/language/ref/EstimatedProcess.en.md) — process estimated from time series data

[`SliceDistribution`](https://reference.wolfram.com/language/ref/SliceDistribution.en.md) — distribution for a time slice of a random process

* [`StationaryDistribution`](https://reference.wolfram.com/language/ref/StationaryDistribution.en.md)
* [`CovarianceFunction`](https://reference.wolfram.com/language/ref/CovarianceFunction.en.md)
* [`...`](https://reference.wolfram.com/language/guide/RandomProcesses.en.md)

### [Parametric Processes](https://reference.wolfram.com/language/guide/ParametricRandomProcesses.en.md)

* [`RandomWalkProcess`](https://reference.wolfram.com/language/ref/RandomWalkProcess.en.md)
* [`PoissonProcess`](https://reference.wolfram.com/language/ref/PoissonProcess.en.md)
* [`WienerProcess`](https://reference.wolfram.com/language/ref/WienerProcess.en.md)
* [`...`](https://reference.wolfram.com/language/guide/ParametricRandomProcesses.en.md)

### [Finite Markov Processes](https://reference.wolfram.com/language/guide/MarkovProcesses.en.md)

* [`DiscreteMarkovProcess`](https://reference.wolfram.com/language/ref/DiscreteMarkovProcess.en.md)
* [`ContinuousMarkovProcess`](https://reference.wolfram.com/language/ref/ContinuousMarkovProcess.en.md)
* [`...`](https://reference.wolfram.com/language/guide/MarkovProcesses.en.md)

### [Queueing Processes](https://reference.wolfram.com/language/guide/QueueingProcesses.en.md)

* [`QueueingProcess`](https://reference.wolfram.com/language/ref/QueueingProcess.en.md)
* [`QueueingNetworkProcess`](https://reference.wolfram.com/language/ref/QueueingNetworkProcess.en.md)
* [`...`](https://reference.wolfram.com/language/guide/QueueingProcesses.en.md)

### [Time Series Processes](https://reference.wolfram.com/language/guide/TimeSeriesProcesses.en.md)

* [`ARMAProcess`](https://reference.wolfram.com/language/ref/ARMAProcess.en.md)
* [`ARIMAProcess`](https://reference.wolfram.com/language/ref/ARIMAProcess.en.md)
* [`...`](https://reference.wolfram.com/language/guide/TimeSeriesProcesses.en.md)

### [Stochastic Differential Equation Processes](https://reference.wolfram.com/language/guide/StochasticDifferentialEquationProcesses.en.md)

* [`ItoProcess`](https://reference.wolfram.com/language/ref/ItoProcess.en.md)
* [`StratonovichProcess`](https://reference.wolfram.com/language/ref/StratonovichProcess.en.md)
* [`...`](https://reference.wolfram.com/language/guide/StochasticDifferentialEquationProcesses.en.md)

---

### [Differential Equations with Events](https://reference.wolfram.com/language/guide/DifferentialEquationsWithEvents.en.md)

[`WhenEvent`](https://reference.wolfram.com/language/ref/WhenEvent.en.md) — discrete actions in differential equations when an event occurs

[`NDSolve`](https://reference.wolfram.com/language/ref/NDSolve.en.md) — now supports differential equations with events

* [`NDSolveValue`](https://reference.wolfram.com/language/ref/NDSolveValue.en.md)
* [`DiscreteVariables`](https://reference.wolfram.com/language/ref/DiscreteVariables.en.md)

### Differential Equations with Parameters

[`ParametricNDSolveValue`](https://reference.wolfram.com/language/ref/ParametricNDSolveValue.en.md) — solve differential equations depending on parameters

* [`ParametricNDSolve`](https://reference.wolfram.com/language/ref/ParametricNDSolve.en.md)
* [`ParametricFunction`](https://reference.wolfram.com/language/ref/ParametricFunction.en.md)

### Differential Algebraic Equations

[`NDSolve`](https://reference.wolfram.com/language/ref/NDSolve.en.md) — can now solve high-index DAEs

* [`NDSolveValue`](https://reference.wolfram.com/language/ref/NDSolveValue.en.md)
* [`ParametricNDSolve`](https://reference.wolfram.com/language/ref/ParametricNDSolve.en.md)
* [`ParametricNDSolveValue`](https://reference.wolfram.com/language/ref/ParametricNDSolveValue.en.md)

---

### [Graphs & Networks](https://reference.wolfram.com/language/guide/GraphsAndNetworks.en.md)

[`FindPostmanTour`](https://reference.wolfram.com/language/ref/FindPostmanTour.en.md) — find a tour that traverses each edge at least once

* [`WeaklyConnectedComponents`](https://reference.wolfram.com/language/ref/WeaklyConnectedComponents.en.md)
* [`EdgeConnectivity`](https://reference.wolfram.com/language/ref/EdgeConnectivity.en.md)
* [`VertexConnectivity`](https://reference.wolfram.com/language/ref/VertexConnectivity.en.md)
* [`FindGraphPartition`](https://reference.wolfram.com/language/ref/FindGraphPartition.en.md)
* [`PlanarGraphQ`](https://reference.wolfram.com/language/ref/PlanarGraphQ.en.md)
* [`...`](https://reference.wolfram.com/language/guide/GraphsAndNetworks.en.md)

### [Social Network Analysis](https://reference.wolfram.com/language/guide/SocialNetworks.en.md)

[`FindGraphCommunities`](https://reference.wolfram.com/language/ref/FindGraphCommunities.en.md) — find communities within a graph

[`GlobalClusteringCoefficient`](https://reference.wolfram.com/language/ref/GlobalClusteringCoefficient.en.md) — compute the global clustering coefficient

* [`FindClique`](https://reference.wolfram.com/language/ref/FindClique.en.md)
* [`FindKClique`](https://reference.wolfram.com/language/ref/FindKClique.en.md)
* [`FindKClan`](https://reference.wolfram.com/language/ref/FindKClan.en.md)
* [`FindKClub`](https://reference.wolfram.com/language/ref/FindKClub.en.md)
* [`LambdaComponents`](https://reference.wolfram.com/language/ref/LambdaComponents.en.md)
* [`LuccioSamiComponents`](https://reference.wolfram.com/language/ref/LuccioSamiComponents.en.md)
* [`GraphReciprocity`](https://reference.wolfram.com/language/ref/GraphReciprocity.en.md)
* [`MeanClusteringCoefficient`](https://reference.wolfram.com/language/ref/MeanClusteringCoefficient.en.md)
* [`LocalClusteringCoefficient`](https://reference.wolfram.com/language/ref/LocalClusteringCoefficient.en.md)
* [`DegreeCentrality`](https://reference.wolfram.com/language/ref/DegreeCentrality.en.md)
* [`BetweennessCentrality`](https://reference.wolfram.com/language/ref/BetweennessCentrality.en.md)
* [`...`](https://reference.wolfram.com/language/guide/SocialNetworks.en.md)

### [Network Flows and Cuts](https://reference.wolfram.com/language/guide/GraphPathsCyclesAndFlows.en.md)

[`FindMaximumFlow`](https://reference.wolfram.com/language/ref/FindMaximumFlow.en.md) — find the maximum flow from a source vertex to a target vertex

[`FindMinimumCostFlow`](https://reference.wolfram.com/language/ref/FindMinimumCostFlow.en.md) — find the minimum cost flows

[`FindMinimumCut`](https://reference.wolfram.com/language/ref/FindMinimumCut.en.md) — find the minimum cut for a graph

* [`OptimumFlowData`](https://reference.wolfram.com/language/ref/OptimumFlowData.en.md)
* [`FindEdgeCut`](https://reference.wolfram.com/language/ref/FindEdgeCut.en.md)
* [`FindVertexCut`](https://reference.wolfram.com/language/ref/FindVertexCut.en.md)
* [`...`](https://reference.wolfram.com/language/guide/GraphPathsCyclesAndFlows.en.md)

### [Random Graphs](https://reference.wolfram.com/language/guide/RandomGraphs.en.md)

[`GraphPropertyDistribution`](https://reference.wolfram.com/language/ref/GraphPropertyDistribution.en.md) — automatically compute properties of random graphs

[`SpatialGraphDistribution`](https://reference.wolfram.com/language/ref/SpatialGraphDistribution.en.md) — higher-performance random graph generation

---

### Control Systems

[`PIDTune`](https://reference.wolfram.com/language/ref/PIDTune.en.md) — automatic design of PID controllers

### [Models with Time Delays](https://reference.wolfram.com/language/guide/DelayControlSystems.en.md)

[`SystemsModelDelay`](https://reference.wolfram.com/language/ref/SystemsModelDelay.en.md) — represent delays in state-space and transfer-function models

* [`TransferFunctionModel`](https://reference.wolfram.com/language/ref/TransferFunctionModel.en.md)
* [`StateSpaceModel`](https://reference.wolfram.com/language/ref/StateSpaceModel.en.md)
* [`SystemsModelDelayApproximate`](https://reference.wolfram.com/language/ref/SystemsModelDelayApproximate.en.md)
* [`SmithDelayCompensator`](https://reference.wolfram.com/language/ref/SmithDelayCompensator.en.md)
* [`...`](https://reference.wolfram.com/language/guide/DelayControlSystems.en.md)

### [Models with Algebraic Constraints](https://reference.wolfram.com/language/guide/DescriptorControlSystems.en.md)

[`DescriptorStateSpace`](https://reference.wolfram.com/language/ref/DescriptorStateSpace.en.md) — whether to use descriptor state-space representation

* [`StateSpaceModel`](https://reference.wolfram.com/language/ref/StateSpaceModel.en.md)
* [`KroneckerModelDecomposition`](https://reference.wolfram.com/language/ref/KroneckerModelDecomposition.en.md)
* [`...`](https://reference.wolfram.com/language/guide/DescriptorControlSystems.en.md)

---

### Fast Symbolic Linear and Polynomial Algebra

[`LinearSolve`](https://reference.wolfram.com/language/ref/LinearSolve.en.md) — fast methods for sparse symbolic and exact systems

[`Expand`](https://reference.wolfram.com/language/ref/Expand.en.md) — fast methods for polynomials with numeric coefficients

* [`NullSpace`](https://reference.wolfram.com/language/ref/NullSpace.en.md)
* [`MatrixRank`](https://reference.wolfram.com/language/ref/MatrixRank.en.md)
* [`Det`](https://reference.wolfram.com/language/ref/Det.en.md)
* [`Subresultants`](https://reference.wolfram.com/language/ref/Subresultants.en.md)
* [`PolynomialExtendedGCD`](https://reference.wolfram.com/language/ref/PolynomialExtendedGCD.en.md)

### New Polynomial Functions

* [`SubresultantPolynomials`](https://reference.wolfram.com/language/ref/SubresultantPolynomials.en.md)
* [`SubresultantPolynomialRemainders`](https://reference.wolfram.com/language/ref/SubresultantPolynomialRemainders.en.md)

### New Matrix Functions

[`MatrixLog`](https://reference.wolfram.com/language/ref/MatrixLog.en.md) — matrix log function

[`MatrixFunction`](https://reference.wolfram.com/language/ref/MatrixFunction.en.md) — matrix function for a general function

### New Algebraic Numbers

[`CubeRoot`](https://reference.wolfram.com/language/ref/CubeRoot.en.md) — real cube root

[`Surd`](https://reference.wolfram.com/language/ref/Surd.en.md) — real $n$$$^{\text{th}}$$ root

---

### [Vector Calculus](https://reference.wolfram.com/language/guide/VectorAnalysis.en.md)

* [`Grad`](https://reference.wolfram.com/language/ref/Grad.en.md)
* [`Div`](https://reference.wolfram.com/language/ref/Div.en.md)
* [`Curl`](https://reference.wolfram.com/language/ref/Curl.en.md)
* [`Laplacian`](https://reference.wolfram.com/language/ref/Laplacian.en.md)

### Coordinate Systems

[`CoordinateChartData`](https://reference.wolfram.com/language/ref/CoordinateChartData.en.md) — properties of coordinate systems

[`TransformedField`](https://reference.wolfram.com/language/ref/TransformedField.en.md) — transform a field between coordinate systems

* [`CoordinateTransform`](https://reference.wolfram.com/language/ref/CoordinateTransform.en.md)
* [`CoordinateTransformData`](https://reference.wolfram.com/language/ref/CoordinateTransformData.en.md)

---

### [Symbolic Tensor Algebra](https://reference.wolfram.com/language/guide/SymbolicTensors.en.md)

[`Arrays`](https://reference.wolfram.com/language/ref/Arrays.en.md) — domain of arrays with given properties

* [`Matrices`](https://reference.wolfram.com/language/ref/Matrices.en.md)
* [`Vectors`](https://reference.wolfram.com/language/ref/Vectors.en.md)

* [`TensorRank`](https://reference.wolfram.com/language/ref/TensorRank.en.md)
* [`TensorDimensions`](https://reference.wolfram.com/language/ref/TensorDimensions.en.md)
* [`TensorSymmetry`](https://reference.wolfram.com/language/ref/TensorSymmetry.en.md)

* [`TensorProduct`](https://reference.wolfram.com/language/ref/TensorProduct.en.md)
* [`TensorContract`](https://reference.wolfram.com/language/ref/TensorContract.en.md)
* [`TensorTranspose`](https://reference.wolfram.com/language/ref/TensorTranspose.en.md)
* [`...`](https://reference.wolfram.com/language/guide/SymbolicTensors.en.md)

### Symmetries and Symmetrized Arrays

[`SymmetrizedArray`](https://reference.wolfram.com/language/ref/SymmetrizedArray.en.md) — compact representation of arrays with symmetry

* [`Symmetric`](https://reference.wolfram.com/language/ref/Symmetric.en.md)
* [`Antisymmetric`](https://reference.wolfram.com/language/ref/Antisymmetric.en.md)

* [`SymmetrizedIndependentComponents`](https://reference.wolfram.com/language/ref/SymmetrizedIndependentComponents.en.md)
* [`SymmetrizedDependentComponents`](https://reference.wolfram.com/language/ref/SymmetrizedDependentComponents.en.md)

## Visualization and Graphics

### [New Built-in Legends](https://reference.wolfram.com/language/guide/Legends.en.md)

[`Legended`](https://reference.wolfram.com/language/ref/Legended.en.md) — display an expression with a legend

[`PlotLegends`](https://reference.wolfram.com/language/ref/PlotLegends.en.md) — option for adding legends to plots

[`LineLegend`](https://reference.wolfram.com/language/ref/LineLegend.en.md) — styled lines and labels

[`PointLegend`](https://reference.wolfram.com/language/ref/PointLegend.en.md) — styled markers and labels

[`SwatchLegend`](https://reference.wolfram.com/language/ref/SwatchLegend.en.md) — styled swatches and labels

[`BarLegend`](https://reference.wolfram.com/language/ref/BarLegend.en.md) — color bar and scale

* [`LegendMarkers`](https://reference.wolfram.com/language/ref/LegendMarkers.en.md)
* [`LegendLayout`](https://reference.wolfram.com/language/ref/LegendLayout.en.md)
* [`LegendLabel`](https://reference.wolfram.com/language/ref/LegendLabel.en.md)
* [`...`](https://reference.wolfram.com/language/guide/Legends.en.md)

---

### New Built-in Unit Visualization

[`TargetUnits`](https://reference.wolfram.com/language/ref/TargetUnits.en.md) — specify what units should be used

[`ListPlot`](https://reference.wolfram.com/language/ref/ListPlot.en.md) — plot data with units

* [`ListLinePlot`](https://reference.wolfram.com/language/ref/ListLinePlot.en.md)
* [`ListLogPlot`](https://reference.wolfram.com/language/ref/ListLogPlot.en.md)
* [`ListLogLogPlot`](https://reference.wolfram.com/language/ref/ListLogLogPlot.en.md)
* [`ListLogLinearPlot`](https://reference.wolfram.com/language/ref/ListLogLinearPlot.en.md)
* [`ListPlot3D`](https://reference.wolfram.com/language/ref/ListPlot3D.en.md)
* [`ListContourPlot`](https://reference.wolfram.com/language/ref/ListContourPlot.en.md)
* [`ListDensityPlot`](https://reference.wolfram.com/language/ref/ListDensityPlot.en.md)
* [`ArrayPlot`](https://reference.wolfram.com/language/ref/ArrayPlot.en.md)
* [`MatrixPlot`](https://reference.wolfram.com/language/ref/MatrixPlot.en.md)
* [`QuantilePlot`](https://reference.wolfram.com/language/ref/QuantilePlot.en.md)
* [`ProbabilityPlot`](https://reference.wolfram.com/language/ref/ProbabilityPlot.en.md)
* [`ProbabilityScalePlot`](https://reference.wolfram.com/language/ref/ProbabilityScalePlot.en.md)

[`BarChart`](https://reference.wolfram.com/language/ref/BarChart.en.md) — chart data with units

* [`BarChart3D`](https://reference.wolfram.com/language/ref/BarChart3D.en.md)
* [`PieChart`](https://reference.wolfram.com/language/ref/PieChart.en.md)
* [`PieChart3D`](https://reference.wolfram.com/language/ref/PieChart3D.en.md)
* [`RectangleChart`](https://reference.wolfram.com/language/ref/RectangleChart.en.md)
* [`RectangleChart3D`](https://reference.wolfram.com/language/ref/RectangleChart3D.en.md)
* [`SectorChart`](https://reference.wolfram.com/language/ref/SectorChart.en.md)
* [`SectorChart3D`](https://reference.wolfram.com/language/ref/SectorChart3D.en.md)
* [`BubbleChart`](https://reference.wolfram.com/language/ref/BubbleChart.en.md)
* [`BubbleChart3D`](https://reference.wolfram.com/language/ref/BubbleChart3D.en.md)
* [`Histogram`](https://reference.wolfram.com/language/ref/Histogram.en.md)
* [`Histogram3D`](https://reference.wolfram.com/language/ref/Histogram3D.en.md)
* [`PairedHistogram`](https://reference.wolfram.com/language/ref/PairedHistogram.en.md)
* [`DensityHistogram`](https://reference.wolfram.com/language/ref/DensityHistogram.en.md)
* [`BoxWhiskerChart`](https://reference.wolfram.com/language/ref/BoxWhiskerChart.en.md)
* [`DistributionChart`](https://reference.wolfram.com/language/ref/DistributionChart.en.md)

---

### [New Gauges](https://reference.wolfram.com/language/guide/Gauges.en.md)

[`AngularGauge`](https://reference.wolfram.com/language/ref/AngularGauge.en.md) — creates a gauge with values shown along a circular scale

[`HorizontalGauge`](https://reference.wolfram.com/language/ref/HorizontalGauge.en.md) — creates a gauge with values shown along a horizontal scale

[`VerticalGauge`](https://reference.wolfram.com/language/ref/VerticalGauge.en.md) — creates a gauge with values shown along a vertical scale

[`ThermometerGauge`](https://reference.wolfram.com/language/ref/ThermometerGauge.en.md) — shows values on a thermometer

[`BulletGauge`](https://reference.wolfram.com/language/ref/BulletGauge.en.md) — shows values relative to reference values on a horizontal scale

[`ClockGauge`](https://reference.wolfram.com/language/ref/ClockGauge.en.md) — creates a clock for displaying time

* [`GaugeLabels`](https://reference.wolfram.com/language/ref/GaugeLabels.en.md)
* [`GaugeMarkers`](https://reference.wolfram.com/language/ref/GaugeMarkers.en.md)
* [`GaugeStyle`](https://reference.wolfram.com/language/ref/GaugeStyle.en.md)
* [`...`](https://reference.wolfram.com/language/guide/Gauges.en.md)

---

### New Volume Visualization

[`Raster3D`](https://reference.wolfram.com/language/ref/Raster3D.en.md) — 3D array of volume elements

---

### Other Improvements

[`Graphics3D`](https://reference.wolfram.com/language/ref/Graphics3D.en.md) — antialiasing support for Linux

[`PairedSmoothHistogram`](https://reference.wolfram.com/language/ref/PairedSmoothHistogram.en.md) — new paired smooth density estimates

[`Histogram`](https://reference.wolfram.com/language/ref/Histogram.en.md) — improved computational aesthetics for rendering a large number of bins

[`TemporalData`](https://reference.wolfram.com/language/ref/TemporalData.en.md) — directly supported in [`ListPlot`](https://reference.wolfram.com/language/ref/ListPlot.en.md), [`ListLinePlot`](https://reference.wolfram.com/language/ref/ListLinePlot.en.md), etc.

[`ColorData`](https://reference.wolfram.com/language/ref/ColorData.en.md) — several dozen new color schemes

## Data Manipulation

### New Import & Export Formats

[`"AgilentMicroarray"`](https://reference.wolfram.com/language/ref/format/AgilentMicroarray.en.md) — biological microarray data (.txt)

[`"FASTQ"`](https://reference.wolfram.com/language/ref/format/FASTQ.en.md) — molecular biology format (.fastq, .fq)

[`"FCS"`](https://reference.wolfram.com/language/ref/format/FCS.en.md) — format for storing flow cytometry data (.fcs, .lmd)

[`"HIN"`](https://reference.wolfram.com/language/ref/format/HIN.en.md) — HyperChem molecular data format (.hin)

[`"ICC"`](https://reference.wolfram.com/language/ref/format/ICC.en.md) — color profile format (.icc, .icm)

[`"ICNS"`](https://reference.wolfram.com/language/ref/format/ICNS.en.md) — Macintosh icon package format (.icns)

[`"JCAMP-DX"`](https://reference.wolfram.com/language/ref/format/JCAMP-DX.en.md) — chemical spectroscopy format (.jdx, .dx, .jcm)

[`"OpenEXR"`](https://reference.wolfram.com/language/ref/format/OpenEXR.en.md) — theatrical film raster image format (.exr)

[`"SFF"`](https://reference.wolfram.com/language/ref/format/SFF.en.md) — flowgram format for DNA sequences (.sff)

### Updated Import & Export Formats

[`"CUR"`](https://reference.wolfram.com/language/ref/format/CUR.en.md) — now supported by [`Export`](https://reference.wolfram.com/language/ref/Export.en.md)

[`"FITS"`](https://reference.wolfram.com/language/ref/format/FITS.en.md) — import of binary tables, export of attributes

[`"HTML"`](https://reference.wolfram.com/language/ref/format/HTML.en.md) — supports embedding of CDF

[`"ICO"`](https://reference.wolfram.com/language/ref/format/ICO.en.md) — now supported by [`Export`](https://reference.wolfram.com/language/ref/Export.en.md)

[`"JPEG"`](https://reference.wolfram.com/language/ref/format/JPEG.en.md) — enhanced Exif and color profile support

[`"MIDI"`](https://reference.wolfram.com/language/ref/format/MIDI.en.md) — now supported by [`Import`](https://reference.wolfram.com/language/ref/Import.en.md)

[`"NB"`](https://reference.wolfram.com/language/ref/format/NB.en.md) — added support for cell style-based elements

[`"PBM"`](https://reference.wolfram.com/language/ref/format/PBM.en.md) — improved support for various data formats

[`"PGM"`](https://reference.wolfram.com/language/ref/format/PGM.en.md) — improved support for various data formats

[`"PNG"`](https://reference.wolfram.com/language/ref/format/PNG.en.md) — added support for color profiles

[`"PNM"`](https://reference.wolfram.com/language/ref/format/PNM.en.md) — improved support for various data formats

[`"TIFF"`](https://reference.wolfram.com/language/ref/format/TIFF.en.md) — added support for 3D images and color profiles

### [New in Date & Time](https://reference.wolfram.com/language/guide/DateAndTime.en.md)

[`DateRange`](https://reference.wolfram.com/language/ref/DateRange.en.md) — generate a list of dates

[`DatePlus`](https://reference.wolfram.com/language/ref/DatePlus.en.md) — add or subtract days, weeks, etc. in a date list or string

[`DayRange`](https://reference.wolfram.com/language/ref/DayRange.en.md) — generate a list of days

[`DayPlus`](https://reference.wolfram.com/language/ref/DayPlus.en.md) — add or subtract days

[`LeapYearQ`](https://reference.wolfram.com/language/ref/LeapYearQ.en.md) — determine if a date is in a leap year

[`DayMatchQ`](https://reference.wolfram.com/language/ref/DayMatchQ.en.md) — determine the day type

[`BusinessDayQ`](https://reference.wolfram.com/language/ref/BusinessDayQ.en.md) — determine if a day is a business day

* [`DateDifference`](https://reference.wolfram.com/language/ref/DateDifference.en.md)
* [`DayRound`](https://reference.wolfram.com/language/ref/DayRound.en.md)
* [`DayCount`](https://reference.wolfram.com/language/ref/DayCount.en.md)
* [`CalendarData`](https://reference.wolfram.com/language/ref/CalendarData.en.md)

### [New in Image Processing & Analysis](https://reference.wolfram.com/language/guide/ImageProcessing.en.md)

[`Image3D`](https://reference.wolfram.com/language/ref/Image3D.en.md) — create a 3D image from an array of data or a list of images

[`Image3DSlices`](https://reference.wolfram.com/language/ref/Image3DSlices.en.md) — slice through a 3D image in each dimension

[`ImageFileApply`](https://reference.wolfram.com/language/ref/ImageFileApply.en.md), [`ImageFileFilter`](https://reference.wolfram.com/language/ref/ImageFileFilter.en.md), [`ImageFileScan`](https://reference.wolfram.com/language/ref/ImageFileScan.en.md) — out-of-core image processing

[`ImageMeasurements`](https://reference.wolfram.com/language/ref/ImageMeasurements.en.md) — returns specified properties of an image

[`ImageDistance`](https://reference.wolfram.com/language/ref/ImageDistance.en.md) — compute various difference measures between two images

[`ImageValuePositions`](https://reference.wolfram.com/language/ref/ImageValuePositions.en.md), [`PixelValuePositions`](https://reference.wolfram.com/language/ref/PixelValuePositions.en.md) — positions of the specified pixel value

* [`ReplaceImageValue`](https://reference.wolfram.com/language/ref/ReplaceImageValue.en.md)
* [`ReplacePixelValue`](https://reference.wolfram.com/language/ref/ReplacePixelValue.en.md)
* [`ColorReplace`](https://reference.wolfram.com/language/ref/ColorReplace.en.md)

[`ColorProfileData`](https://reference.wolfram.com/language/ref/ColorProfileData.en.md) — representation for general color spaces

[`DominantColors`](https://reference.wolfram.com/language/ref/DominantColors.en.md) — find a list of dominant colors

[`HistogramTransform`](https://reference.wolfram.com/language/ref/HistogramTransform.en.md), [`HistogramTransformInterpolation`](https://reference.wolfram.com/language/ref/HistogramTransformInterpolation.en.md) — equalize levels

* [`GradientOrientationFilter`](https://reference.wolfram.com/language/ref/GradientOrientationFilter.en.md)
* [`GaborFilter`](https://reference.wolfram.com/language/ref/GaborFilter.en.md)

* [`NonlocalMeansFilter`](https://reference.wolfram.com/language/ref/NonlocalMeansFilter.en.md)
* [`FourierDCTFilter`](https://reference.wolfram.com/language/ref/FourierDCTFilter.en.md)

[`FindFaces`](https://reference.wolfram.com/language/ref/FindFaces.en.md) — find human faces in an image

* [`ImageCorners`](https://reference.wolfram.com/language/ref/ImageCorners.en.md)
* [`ImageFeatureTrack`](https://reference.wolfram.com/language/ref/ImageFeatureTrack.en.md)

* [`GeodesicClosing`](https://reference.wolfram.com/language/ref/GeodesicClosing.en.md)
* [`GeodesicOpening`](https://reference.wolfram.com/language/ref/GeodesicOpening.en.md)

[`ImagePeriodogram`](https://reference.wolfram.com/language/ref/ImagePeriodogram.en.md) — squared magnitude of the image Fourier transform

### [New in Signal Processing](https://reference.wolfram.com/language/guide/SignalProcessing.en.md)

[`RecurrenceFilter`](https://reference.wolfram.com/language/ref/RecurrenceFilter.en.md) — compute the response of an IIR filter

* [`LowpassFilter`](https://reference.wolfram.com/language/ref/LowpassFilter.en.md)
* [`HighpassFilter`](https://reference.wolfram.com/language/ref/HighpassFilter.en.md)
* [`BandpassFilter`](https://reference.wolfram.com/language/ref/BandpassFilter.en.md)
* [`BandstopFilter`](https://reference.wolfram.com/language/ref/BandstopFilter.en.md)
* [`...`](https://reference.wolfram.com/language/guide/SignalProcessing.en.md)

* [`LeastSquaresFilterKernel`](https://reference.wolfram.com/language/ref/LeastSquaresFilterKernel.en.md)
* [`FrequencySamplingFilterKernel`](https://reference.wolfram.com/language/ref/FrequencySamplingFilterKernel.en.md)
* [`EquirippleFilterKernel`](https://reference.wolfram.com/language/ref/EquirippleFilterKernel.en.md)

* [`ButterworthFilterModel`](https://reference.wolfram.com/language/ref/ButterworthFilterModel.en.md)
* [`EllipticFilterModel`](https://reference.wolfram.com/language/ref/EllipticFilterModel.en.md)
* [`Chebyshev1FilterModel`](https://reference.wolfram.com/language/ref/Chebyshev1FilterModel.en.md)
* [`...`](https://reference.wolfram.com/language/guide/SignalProcessing.en.md)

[`TransferFunctionTransform`](https://reference.wolfram.com/language/ref/TransferFunctionTransform.en.md) — convert between different types of analog filters

* [`KaiserWindow`](https://reference.wolfram.com/language/ref/KaiserWindow.en.md)
* [`DirichletWindow`](https://reference.wolfram.com/language/ref/DirichletWindow.en.md)
* [`HannWindow`](https://reference.wolfram.com/language/ref/HannWindow.en.md)
* [`HammingWindow`](https://reference.wolfram.com/language/ref/HammingWindow.en.md)
* [`...`](https://reference.wolfram.com/language/guide/SignalProcessing.en.md)

* [`ListZTransform`](https://reference.wolfram.com/language/ref/ListZTransform.en.md)
* [`ListFourierSequenceTransform`](https://reference.wolfram.com/language/ref/ListFourierSequenceTransform.en.md)
* [`...`](https://reference.wolfram.com/language/guide/SignalProcessing.en.md)

* [`FourierMatrix`](https://reference.wolfram.com/language/ref/FourierMatrix.en.md)
* [`FourierDCTMatrix`](https://reference.wolfram.com/language/ref/FourierDCTMatrix.en.md)
* [`FourierDSTMatrix`](https://reference.wolfram.com/language/ref/FourierDSTMatrix.en.md)
* [`HadamardMatrix`](https://reference.wolfram.com/language/ref/HadamardMatrix.en.md)

* [`Spectrogram`](https://reference.wolfram.com/language/ref/Spectrogram.en.md)
* [`Periodogram`](https://reference.wolfram.com/language/ref/Periodogram.en.md)
* [`ImagePeriodogram`](https://reference.wolfram.com/language/ref/ImagePeriodogram.en.md)
* [`...`](https://reference.wolfram.com/language/guide/SignalProcessing.en.md)

* [`Upsample`](https://reference.wolfram.com/language/ref/Upsample.en.md)
* [`Downsample`](https://reference.wolfram.com/language/ref/Downsample.en.md)

## Computable Data

[`WolframAlpha`](https://reference.wolfram.com/language/ref/WolframAlpha.en.md) — access to Wolfram\|Alpha data

[`CoordinateChartData`](https://reference.wolfram.com/language/ref/CoordinateChartData.en.md) — standard coordinate system properties

[`GraphData`](https://reference.wolfram.com/language/ref/GraphData.en.md) — updated with additional graphs and properties

[`FiniteGroupData`](https://reference.wolfram.com/language/ref/FiniteGroupData.en.md) — updated with additional groups and properties

[`ColorData`](https://reference.wolfram.com/language/ref/ColorData.en.md) — several dozen new color schemes

[`ExampleData`](https://reference.wolfram.com/language/ref/ExampleData.en.md) — updated with additional example datasets

## Dynamic Interactivity

### New Controls

[`ListPicker`](https://reference.wolfram.com/language/ref/ListPicker.en.md) — a list of choices

## Notebooks and Documents

### Cell Handles

[`Cells`](https://reference.wolfram.com/language/ref/Cells.en.md) — a list of cells in a given notebook ([`CellObject`](https://reference.wolfram.com/language/ref/CellObject.en.md) objects)

* [`SelectedCells`](https://reference.wolfram.com/language/ref/SelectedCells.en.md)
* [`EvaluationCell`](https://reference.wolfram.com/language/ref/EvaluationCell.en.md)

## Systems Interfaces & Deployment

### Stream Operations

[`OpenRead`](https://reference.wolfram.com/language/ref/OpenRead.en.md) (modified) — open an input stream from a data source such as a URL

[`Get`](https://reference.wolfram.com/language/ref/Get.en.md) (modified) — read and evaluate Wolfram Language input from a stream

[`DefineInputStreamMethod`](https://reference.wolfram.com/language/ref/DefineInputStreamMethod.en.md) — define a custom input stream method

[`DefineOutputStreamMethod`](https://reference.wolfram.com/language/ref/DefineOutputStreamMethod.en.md) — define a custom output stream method

* [`Read`](https://reference.wolfram.com/language/ref/Read.en.md)
* [`Find`](https://reference.wolfram.com/language/ref/Find.en.md)
* [`FindList`](https://reference.wolfram.com/language/ref/FindList.en.md)
* [`InputStream`](https://reference.wolfram.com/language/ref/InputStream.en.md)
* [`OutputStream`](https://reference.wolfram.com/language/ref/OutputStream.en.md)

### [RLink](https://reference.wolfram.com/language/RLink/guide/RLink.en.md)

[InstallR](https://reference.wolfram.com/language/RLink/ref/InstallR.en.md) — launch the R runtime and connect it to the Wolfram System session

[UninstallR](https://reference.wolfram.com/language/RLink/ref/UninstallR.en.md) — uninstall the R runtime

[REvaluate](https://reference.wolfram.com/language/RLink/ref/REvaluate.en.md) — fetch the contents of a document with a background task

[RSet](https://reference.wolfram.com/language/RLink/ref/RSet.en.md) — fetch the contents of a document with a background task

[RFunction](https://reference.wolfram.com/language/RLink/ref/RFunction.en.md) — fetch the contents of a document with a background task

* [RVector](https://reference.wolfram.com/language/RLink/ref/RVector.en.md)
* [RList](https://reference.wolfram.com/language/RLink/ref/RList.en.md)
* [RObject](https://reference.wolfram.com/language/RLink/ref/RObject.en.md)
* [RCode](https://reference.wolfram.com/language/RLink/ref/RCode.en.md)
* [RAttributes](https://reference.wolfram.com/language/RLink/ref/RAttributes.en.md)
* [REnvironment](https://reference.wolfram.com/language/RLink/ref/REnvironment.en.md)

### System Environment

[`GetEnvironment`](https://reference.wolfram.com/language/ref/GetEnvironment.en.md) — get the setting for an operating system environment variable

[`SetEnvironment`](https://reference.wolfram.com/language/ref/SetEnvironment.en.md) — set a value for an operating system environment variable

### Text-Based Interface

Improved terminal interface with support of command history and cursor movements [»](https://reference.wolfram.com/language/tutorial/UsingATextBasedInterface.en.md)

## Related Guides

* [Index of All New Functions](https://reference.wolfram.com/language/guide/NewIn90AlphabeticalListing.en.md)
* [New in 9.0: Core Language](https://reference.wolfram.com/language/guide/NewIn90CoreLanguage.en.md)
* [New in 9.0: Mathematics & Algorithms](https://reference.wolfram.com/language/guide/NewIn90MathematicsAndAlgorithms.en.md)
* [New in 9.0: Visualization & Graphics](https://reference.wolfram.com/language/guide/NewIn90VisualizationAndGraphics.en.md)
* [New in 9.0: Dynamic Interactivity](https://reference.wolfram.com/language/guide/NewIn90DynamicInteractivity.en.md)
* [New in 9.0: Data Manipulation](https://reference.wolfram.com/language/guide/NewIn90DataManipulation.en.md)
* [New in 9.0: Computable Data](https://reference.wolfram.com/language/guide/NewIn90ComputableData.en.md)
* [New in 9.0: Notebooks & Documents](https://reference.wolfram.com/language/guide/NewIn90NotebooksAndDocuments.en.md)
* [New in 9.0: Systems Interfaces & Deployment](https://reference.wolfram.com/language/guide/NewIn90SystemsInterfacesAndDeployment.en.md)
* [Summary of New Features in 8.0](https://reference.wolfram.com/language/guide/SummaryOfNewFeaturesIn80.en.md)