[R] beginner's question: group of regressors by name vector?
ggrothendieck at gmail.com
Thu Feb 12 17:21:29 CET 2009
Missed a bracket:
lm(l ~. , DF[c("l", "b", "j", "x")])
On Thu, Feb 12, 2009 at 11:21 AM, Gabor Grothendieck
<ggrothendieck at gmail.com> wrote:
> 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, <ivowel at 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?
>> [[alternative HTML version deleted]]
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>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
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