Re: [R] Please Help pairwise.t.test!!

2009-06-12 Thread Peter Flom
Chunhao Tu wrote >Hi R users, >My question is, If I have 3 groups, A, B, C and I know mean of A =20, B=21, >and C=20.5 and I also know the >standard error of A =1.1, B=2.2, C=3.2. Plus, I know A has 30 observations, >B has 78, C has 45. But I do not have the raw data. > >Can I use pairwise.t.tes

[R] Please Help pairwise.t.test!!

2009-06-11 Thread Chunhao Tu
Hi R users, My question is, If I have 3 groups, A, B, C and I know mean of A =20, B=21, and C=20.5 and I also know the standard error of A =1.1, B=2.2, C=3.2. Plus, I know A has 30 observations, B has 78, C has 45. But I do not have the raw data. Can I use pairwise.t.test to conduct a Bonferron

[R] Please Help pairwise.t.test!!

2009-06-11 Thread Chun-Hao Tu
Hi R users, My question is, If I have 3 groups, A, B, C and I know mean of A =20, B=21, and C=20.5 and I also know the standard error of A =1.1, B=2.2, C=3.2. Plus, I know A has 30 observations, B has 78, C has 45. But I do not have the raw data. Can I use pairwise.t.test to conduct a Bon