I am looking for an R package with which one can calculate an effect size for a
set of contrasts given an omnibus chi-square test statistic (more than 1 degree
of freedom). Is there such a package? Presumably, it would implement the
procedure (or something like it) described by Roznow and Rosenthal 1996
Psychological Methods 1: 331-340.
many thanks!
Steven Orzack
Fresh Pond Research Institute
173 Harvey Street
Cambridge, MA 02140
617 864-4307
www.freshpond.org
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