[R] numerics only

Blew, Ted tblew at ets.org
Mon Nov 11 21:27:14 CET 2002

is there a way to identify the *numeric* data elements (columns) in a
data.frame that contains both numeric and character data elements?  thanks
in advance, ted.

Ted Blew
Educational Testing Service
MS 22T
Princeton NJ 08541
tblew at ets.org
609.734.5976 (office)

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