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Stepwise regression

Does anyone have a stepwise multiple linear regression routine?  IDL help lists
the routine stepwise.pro as obsolete and as replaced by regress.pro. However
regress only does the regression on all the specified terms, it does not do the
stepwise regression.  Why is stepwise obsolete?  Is there an equivalent wrapper
for regress.pro which prints out significance, confidence intervals ...?

Bill Gallery

William O. Gallery                                     wgallery@aer.com
Atmospheric & Environmental Research, Inc.          Voice(617) 349-2284
840 Memorial Drive                                       (617) 547-6207
Cambridge, Massachusetts  02139    www.aer.com       FAX (617) 661-6479