As of Version 7.0, ConfidenceLevel is part of the built-in Mathematica kernel. >>
BasisNames
(Obsolete Linear Regression Package Symbol) As of Version 7.0, BasisNames has become an optional argument for LinearModelFit.
As of Version 7.0, DesignedRegress has been superseded by LinearModelFit.
As of Version 7.0, IncludeConstant has been renamed to IncludeConstantBasis and 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(Obsolete Linear Regression Package Symbol) As of Version 7.0, Regress has been superseded by LinearModelFit.
The built-in function Fit finds a least-squares fit to a list of data as a linear combination of the specified basis functions. The functions Regress and DesignedRegress ...
As of Version 8, HotellingTSquareDistribution is part of the built-in Mathematica kernel.
As of Version 8, MultinomialDistribution is part of the built-in Mathematica kernel.
As of Version 8, MultinormalDistribution is part of the built-in Mathematica kernel.