Re: [R] Binomial Power/Sample Size

2007-10-18 Thread Marc Schwartz
On Thu, 2007-10-18 at 10:18 -0500, Bret Collier wrote: > All, > > I have been digging around in the help files and found bsamsize in > Hmisc, but I am wondering if i am using it right. > > So, here is the question: given a binomial response (success/failure) > for 2 groups (treatment/control)

[R] Binomial Power/Sample Size

2007-10-18 Thread Bret Collier
All, I have been digging around in the help files and found bsamsize in Hmisc, but I am wondering if i am using it right. So, here is the question: given a binomial response (success/failure) for 2 groups (treatment/control) and I want to estimate the necessary sample size (n) to determine if