Re: [R] sample size of 2 groups of skewed data

did you try to fit your data with a skew-normal/skew-t distribution? If that works, you can use simulation. Kjetil On Tue, Mar 15, 2011 at 2:31 AM, Lao Meng wrote: > Hi all: > I have a question on sample size calculation of 2 groups of data. If 2 > groups of data are all normal distribution, the

[R] sample size of 2 groups of skewed data

Hi all: I have a question on sample size calculation of 2 groups of data. If 2 groups of data are all normal distribution, then I can use the function "n.indep.t.test.eq" from samplesize package.But if 2 groups of data are all skewed distribution, but not normal distribution,how can I calculate the