Re: [R] help on permutation/randomization test

2011-05-24 Thread Meyners, Michael
... HTH, Michael -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- project.org] On Behalf Of Wenjin Mao Sent: Monday, May 23, 2011 20:56 To: r-help@r-project.org Subject: [R] help on permutation/randomization test Hi, I have two groups of data

Re: [R] help on permutation/randomization test

2011-05-24 Thread Wenjin Mao
), I'm not very optimistic... HTH, Michael -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- project.org] On Behalf Of Wenjin Mao Sent: Monday, May 23, 2011 20:56 To: r-help@r-project.org Subject: [R] help on permutation/randomization test Hi

Re: [R] help on permutation/randomization test

2011-05-24 Thread Greg Snow
, Michael Cc: r-help@r-project.org Subject: Re: [R] help on permutation/randomization test Thank you, Michael. I don't think those data for the same group can be treated as repeated measurements. Let's say I have 1000 observations from group 1 and 1500 obs from group 2. Some of the 1000 objects

Re: [R] help on permutation/randomization test

2011-05-24 Thread Wenjin Mao
] On Behalf Of Wenjin Mao Sent: Tuesday, May 24, 2011 11:22 AM To: Meyners, Michael Cc: r-help@r-project.org Subject: Re: [R] help on permutation/randomization test Thank you, Michael. I don't think those data for the same group can be treated as repeated measurements. Let's say I have 1000

Re: [R] help on permutation/randomization test

2011-05-24 Thread Greg Snow
Subject: Re: [R] help on permutation/randomization test Thanks, Greg. I also considered the clusters. The difficulty is those objects not only enter the system at different time, but may have different duration in the system. Once they have a time overlap in the system, impacts may exist

[R] help on permutation/randomization test

2011-05-23 Thread Wenjin Mao
Hi, I have two groups of data of different size: group A: x1, x2, , x_n; group B: y1, y2, , y_m; (m is not equal to n) The two groups are independent but observations within each group are not independent, i.e., x1, x2, ..., x_n are not independent; but x's are independent from