[R] Factor function

Ista Zahn izahn at psych.rochester.edu
Mon Apr 25 22:57:11 CEST 2011

Yes... did you understand that NA is not equal to "NA"?


On Mon, Apr 25, 2011 at 4:31 PM, Lisa <lisajca at gmail.com> wrote:
> Did you see the data frame "d"? Thanks.
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Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology

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