This tutorial covers issues related to performance. One of the challenges of building Mathematica is to make sure that the system is general enough to support symbolic ...
As of Version 6.0, NIntegrate natively supports InterpolatingFunction objects.
As of Version 7.0, DesignedRegress has been superseded by LinearModelFit.
As of Version 7.0, DesignMatrix is part of the built-in Mathematica kernel.
Regress
(Obsolete Linear Regression Package Symbol) As of Version 7.0, Regress has been superseded by LinearModelFit.
As of Version 8, MultinomialDistribution is part of the built-in Mathematica kernel.
As of Version 8.0, MultiPoissonDistribution has been renamed to MultivariatePoissonDistribution and is part of the built-in Mathematica kernel.
As of Version 7.0, NonlinearRegress has been superseded by NonlinearModelFit and is part of the built-in Mathematica kernel.
As of Version 7.0, BestFitParameterDelta has been renamed to "BetaDifferences" and has become a property of LinearModelFit.
As of Version 7.0, CovarianceMatrixDetRatio has been renamed to "CovarianceRatios" and has become a property of LinearModelFit.