I also wonder if stepAIC can work with an lme model. I tried. it doesn't for now. Appreciate any comment.
Jun On Thu, May 7, 2009 at 9:15 AM, Dieter Menne <dieter.me...@menne-biomed.de>wrote: > Peter-Heinz Fox <peterheinzfox <at> yahoo.de> writes: > > > Iâm using "step" and "stepAIC" for stepwise regression. After each > step, > > I would like to make an additional calculation based on the independent > > variables that have been selected until this step and > > their corresponding weights. Where do I have to add this calculation? > > dropTerm is the toolbox function stepAIC uses; you could use it to build > your own stepAIC version. > > But also make sure you have read > > http://markmail.org/thread/gk7ysg6tclz4vtdi > > and consider some lasso variant method instead (this partly > answers your second question). > > Dieter > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > -- Jun Shen PhD PK/PD Scientist BioPharma Services Millipore Corporation 15 Research Park Dr. St Charles, MO 63304 Direct: 636-720-1589 [[alternative HTML version deleted]]
______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
