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2009 Feb 12
2
beginner's question: group of regressors by name vector?
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
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