[R] effect size

Frank E Harrell Jr f.harrell at vanderbilt.edu
Thu Jun 22 00:23:22 CEST 2006

Matthew Bridgman wrote:
> Does anyone know a simple way of calculating effect sizes?
> Thanks
> MB

Yes - the following formula is simple and fairly universal:


Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University

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