> [EMAIL PROTECTED] writes: > > > Hi - Is it possible to use the power.t.test function in a scenario where the > > number of observations in each group is different? > > No. It's not rocket science to modify the p.body expression, though. > The tricky bit is what to do instead of "solve for n".
One possibility would be to have a fixed number >= 1 as the (constant) ratio between the two group sizes. That shouldn't be too hard to implement. Next step is different variances .... Claus ***************************************** Claus Thorn Ekstr�m <[EMAIL PROTECTED]> Dept of Mathematics and Physics, KVL Thorvaldsensvej 40 DK-1871 Frederiksberg C Denmark Phone:[+45] 3528 2341 Fax: [+45] 3528 2350 ______________________________________________ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help
