As of Version 7.0, RegressionReport has been superseded by properties of LinearModelFit and NonlinearModelFit.
As of Version 7.0, RegressionReportValues has been superseded by LinearModelFit[...]["Properties"] and NonlinearModelFit[...]["Properties"].
RSquared
(Obsolete Regression Common Package Symbol) As of Version 7.0, RSquared has become a property of LinearModelFit.
As of Version 7.0, SequentialSumOfSquares has become a property of LinearModelFit.
As of Version 7.0, SinglePredictionCITable has been renamed "SinglePredictionConfidenceIntervalTable" and become a property of LinearModelFit and NonlinearModelFit.
As of Version 7.0, StandardizedResiduals has become a property of LinearModelFit and NonlinearModelFit.
As of Version 7.0, StartingParameters is no longer supported.
As of Version 7.0, StudentizedResiduals has become a property of LinearModelFit.
As of Version 7.0, SummaryReport has become the properties {"ParameterTable", "RSquared", "AdjustedRSquared", \ "EstimatedVariance", "ANOVATable"} for LinearModelFit or ...
As of Version 7.0, VarianceInflation has been renamed to "VarianceInflationFactors" and has become a property of LinearModelFit.