As of Version 7.0, AsymptoticCovarianceMatrix has become a property of NonlinearModelFit.
BestFit
(Obsolete Regression Common Package Symbol) As of Version 7.0, BestFit has become a property of LinearModelFit and NonlinearModelFit.
As of Version 7.0, BestFitParameterDelta has been renamed to "BetaDifferences" and has become a property of LinearModelFit.
As of Version 7.0, BestFitParameters has become a property of LinearModelFit and NonlinearModelFit.
As of Version 7.0, CatcherMatrix has become a property of LinearModelFit.
As of Version 7.0, CoefficientOfVariation has become a property of LinearModelFit.
CookD
(Obsolete Regression Common Package Symbol) As of Version 7.0, CookD has been renamed to "CookDistances" and has become a property of LinearModelFit.
As of Version 7.0, CorrelationMatrix has become a property of LinearModelFit.
As of Version 7.0, CovarianceMatrixDetRatio has been renamed to "CovarianceRatios" and has become a property of LinearModelFit.
As of Version 7.0, CovarianceMatrix has become a property of LinearModelFit.