Re: [R] power and sample size for a GLM with Poisson response variable

From: Craig A Faulhaber <>
Date: Tue 28 Feb 2006 - 12:38:35 EST

Thanks for the functions, James. I, too, did not understand the "constraints" vector in asypow. Can anyone on the listserve explain this?


Wassell, James T., Ph.D. wrote:

> Craig, I found the package asypow difficult to use and it did not
> yield results in the ballpark of other approaches. (could not figure
> out the "constraints" vector).
> I wrote some simple functions, one asy.pwr uses the non-central
> chi-square distn.

Craig A. Faulhaber
Department of Forest, Range, and Wildlife Sciences
Utah State University
5230 Old Main Hill
Logan, UT 84322

______________________________________________ mailing list
PLEASE do read the posting guide!
Received on Tue Feb 28 12:48:37 2006

This archive was generated by hypermail 2.1.8 : Tue 28 Feb 2006 - 15:08:48 EST