Re: [R] a simple mixed model

2012-05-27 Thread array chip
nce this is repeated measure, I thought it should be analyzed by a simple mixed model? When you suggested a MxK (K=3) design, what is M then? Thanks very much, John From: peter dalgaard Cc: "r-help@r-project.org" Sent: Sunday, May 27, 2012 12:0

Re: [R] a simple mixed model

2012-05-27 Thread peter dalgaard
eter dalgaard > To: array chip > Cc: "r-help@r-project.org" > Sent: Sunday, May 27, 2012 12:09 AM > Subject: Re: [R] a simple mixed model > > > On May 27, 2012, at 07:12 , array chip wrote: > > > Hi, I was reviewing a manuscript where a linear mixed model

Re: [R] a simple mixed model

2012-05-27 Thread peter dalgaard
On May 27, 2012, at 07:12 , array chip wrote: > Hi, I was reviewing a manuscript where a linear mixed model was used. The > data is simple: a response variable "y" was measured for each subject over 3 > time points (visit 1, 2 and 3) that were about a week apart between 2 visits. > The study i

[R] a simple mixed model

2012-05-26 Thread array chip
Hi, I was reviewing a manuscript where a linear mixed model was used. The data is simple: a response variable "y" was measured for each subject over 3 time points (visit 1, 2 and 3) that were about a week apart between 2 visits. The study is a non-drug study and one of the objectives was to eval