See the package `leap' on CRAN, and ?stepAIC in the package `MASS' (as well as MASS the book).
Andy > From: WilDscOp > > Dear all, > > Does R or S-plus or any of their packages provide any > command to form any > of the following procedures to find Best Regression Equation - > > 1. 'All Possible Regressions Procedures' (is there any > automated command > to perform 2^p regressions and ordering according to criteria > R2(adj), > mallows Cp, s2- by not setting all the regression models manually), > > 2. 'Backward Elimination Procedure' , > > 3. 'Forward Selection Procedure' , > > 4. 'Stepwise Regression Procedure' (as SAS's PROC REG > /METHOD = STEPWISE / > FORWARD / BACKWARD which methods are also available in SPSS) or > > 5. 'Best subset selection (as MINITAB's BREG - BEST k command)'. > > > Any response / help / comment / suggestion / idea / web-link > / replies will > be greatly appreciated. > > Thanks in advance for your time. > > _______________________ > > Mohammad Ehsanul Karim <[EMAIL PROTECTED]> > Institute of Statistical Research and Training > University of Dhaka, Dhaka- 1000, Bangladesh > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments,...{{dropped}} ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
