I'm trying to run a regression on certain columns. The columns are named
Cat_1, Cat_2 etc. Is there a way to call upon all of the columns that
contain Cat?
Thanks,
Chris
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On May 23, 2012, at 5:47 PM, Chris Burns wrote:
I'm trying to run a regression on certain columns. The columns are
named
Cat_1, Cat_2 etc. Is there a way to call upon all of the
columns that
contain Cat?
lm( y ~ . , data=dfrm[, c(y, grep(Cat, names(dfrm), value=TRUE) ] )
OR:
lm (y ~
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