As of Version 7.0, NonlinearRegress has been superseded by NonlinearModelFit and is part of the built-in Mathematica kernel.
The built-in function FindFit allows you to perform nonlinear least squares fitting. The function NonlinearRegress gives a number of regression diagnostics and allows you to ...
ANOVATable
(Obsolete Regression Common Package Symbol) As of Version 7.0, ANOVATable has become a property of LinearModelFit and NonlinearModelFit.
As of Version 7.0, AsymptoticCorrelationMatrix has become a property of NonlinearModelFit.
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, CoefficientOfVariation has become a property of LinearModelFit.
As of Version 7.0, EigenstructureTable has become a property of LinearModelFit.