[R] Unequal sample sizes when calculating power

2006-01-25 Thread Farrel Buchinsky
Power calculations two sample test for proportions is very useful. Is there a way however, to get away from the two samples being of the same size. What would happen if one had n=15 in the one sample and n=45 in the other sample. Farrel Buchinsky, MD Pediatric Otolaryngologist Allegheny General H

Re: [R] Unequal sample sizes when calculating power

2006-01-25 Thread Peter Dalgaard
Farrel Buchinsky <[EMAIL PROTECTED]> writes: > Power calculations two sample test for proportions is very useful. Is there > a way however, to get away from the two samples being of the same size. What > would happen if one had n=15 in the one sample and n=45 in the other sample. Take a look at

Re: [R] Unequal sample sizes when calculating power

2006-01-25 Thread Marc Schwartz (via MN)
On Wed, 2006-01-25 at 09:50 -0500, Farrel Buchinsky wrote: > Power calculations two sample test for proportions is very useful. Is there > a way however, to get away from the two samples being of the same size. What > would happen if one had n=15 in the one sample and n=45 in the other sample. See