Try this; mod1 <- lm(y ~ u + v + w, data = d) update(mod1, . ~ . -v)
On Tue, Jan 19, 2010 at 2:10 PM, Werner W. <pensterfuz...@yahoo.de> wrote: > Hi, > > probably just a quick question: can I somehow change the formula used with > predict? E.g., the regression was run on "y ~ u + v + w" but for the > prediction the term v should be removed from the formula contained in the > regression object and only "y ~ u + w" be used. > > I could use model.matrix etc. to do the predictions but it would be very > helpful to know a simpler way. > > Thanks so much, > Werner > > > __________________________ > verfügt über einen herausragenden Schutz gegen Massenmails. > http://mail.yahoo.com > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.