[R] Power calculations where two samples are of unequal size

Chuck Cleland ccleland at optonline.net
Wed Dec 10 01:34:01 CET 2008

On 12/9/2008 6:32 PM, Farrel Buchinsky wrote:
> I have used the function power.t.test() (power calculations for one
> and two sample t tests) but have noted that it handles the samples as
> being the same size. How does one handle sample sizes that are
> different. In other words how does one handle unbalanced designs.



> Farrel Buchinsky
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code. 

Chuck Cleland, Ph.D.
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