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2011 Mar 04
4
cv.lm syntax error
Dear all,
I've tried a multiple regression, and now I want to try a cross-validation.
I obtain this error (it must be sth related to df) that I don't understand,
any help would be appreciated.
cv.lm(df= dat, lm2.52f, m=3)
Error en `[.data.frame`(df, , ynam) : undefined columns selected
lm2.52f is my lm object, dat is a dataframe where the variables involved in
.lm are
I tried CVlm