If DF is a data frame with the variables, try this:
lm(l ~. , DF[c("l", "b", "j", "x"))
On Thu, Feb 12, 2009 at 11:11 AM, <ivo...@gmail.com> wrote:
> dear r-experts: there is probably a very easy way to do it, but it eludes
> me right now. I have a large data frame with, say, 26 columns named "a"
> through "z". I would like to define "sets of regressors" from this data
> frame. something like
>
> myregressors=c("b", "j", "x")
> lm( l ~ myregressors, data=... )
>
> is the best way to create new data frames that contain all the variables I
> want, then use ".", and then destroy them again? or am I overlooking
> something obvious?
>
> sincerely,
>
> /iaw
>
> [[alternative HTML version deleted]]
>
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