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Thanks everyone for the responses. I'm confident I have a way forward now. Cheers Michelle, note: I do not work Fridays -----Original Message----- From: Steven J. Pierce [mailto:pierces1 at msu.edu] Sent: Thursday, 23 April 2015 12:32...

Thanks for those suggestions. I?m currently working out the hierarchical model structure. Cheers Michelle, note: I do not work Fridays From: Steve Denham [mailto:stevedrd at yahoo.com] Sent: Saturday, 16 May 2015 1:00 AM To: Thierry Onkelinx...

Thanks again for the advice. I have Pinheiro and Bates which I normally find sufficient, but not in this case. The recommendations for other books are very helpful. Cheers Michelle, note: I do not work Fridays From: Ken Beath [mailto...

Thanks John, I'll follow that approach, and also see if the resulting error structure fits logically with the biology, in particular with the control groups. Cheers Michelle, note: I do not work Fridays -----Original Message----- From: John Maindonald [mailto...

Hi all, I have a nicely working lme model from the lme4 package, however I have been requested to produce a nonlinear model and I am having problems with the model specification. My working lme4 code is: Male.lme1 <- lmer...

Hi, Thanks for the help. I'm now trying to figure out (1) the function and (2) how to specify it in nlme. cheers Michelle -----Original Message----- From: dmbates at gmail.com [mailto:dmbates at gmail.com] On Behalf Of...

Thanks for the feedback. Peter, I have forwarded your response to our ICT division to see if there is anything they can do. One potentially silly question: what would happen if I had the help files loaded locally on my...

Hi all, I have repeated measures weight data on rats who were in a 28-day toxin study. I have one control group and the toxin was administered at one of three doses (low, medium, high). This is not a...

Hi all, I've replied to my message so hopefully the archive will stay tracking this as a single question. Having examined the log likelihood formulae I was given for the SAS code, read Chapter 7 of Pinheiro & Bates, and...