Re: [R] t.test() on a list

Thanks a lot, Petr! This works perfect! myList was actually a list of data.frame, and the command line initially choked. But once I converted it to matrix, it worked like a charm: apply(do.call(rbind, lapply(lapply(myList, as.matrix), c)), 2, t.test) Thanks, Gang On Mon, Oct 6, 2008 at 9:42 AM

Re: [R] t.test() on a list

Hi maybe not an answer you like but apply(do.call(rbind, lapply(myList, c)), 2, t.test) shall give you desired results Regards Petr [EMAIL PROTECTED] napsal dne 02.10.2008 23:25:23: > I appreciate your suggestion. The example I provided was fabricated > because I was only focusing on the pro

Re: [R] t.test() on a list

I appreciate your suggestion. The example I provided was fabricated because I was only focusing on the programming perspective on how to deal with such a data structure, not real statistical issues. Do you mind elaborating a little more why that would not be appreciate? I know I can do it with a co

Re: [R] t.test() on a list

I am sure you will get helpful answers. I am almost as sure that you shouldn't be doing this. I suggest you consult with your local statistician. -- Bert Gunter -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Gang Chen Sent: Thursday, October 02, 2008 11