[R] A More efficient method?

Keith Alan Chamberlain Keith.Chamberlain at Colorado.EDU
Wed Jul 4 18:37:03 CEST 2007

Dear Ted,

You are correct in that factors are probably what I had in mind since I
would be using them as predictors in a regression. I didn't know the syntax
to get R to do the arithmetic.

Many thanks to everyone who replied! 

Psych Undergrad, CU Boulder (US)
RE McNair Scholar

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