power and sample size for a GLM with Poisson response variable
Thanks for the functions, James. I, too, did not understand the "constraints" vector in asypow. Can anyone on the listserve explain this? Craig
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 (435)797-3892