[R] longitudinal data

2012-10-21 Thread asma boshaala
 I would like to use GLM to analysis  a longitudinal data  any one know which library in R do so thanks alot [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read

[R] Longitudinal data

2011-12-27 Thread Silvano
Hi, I'm analyzing a longitudinal data set with 387 cows were observed in 63 days divided into 6 groups, and every 30 days was found to produce milk. Does not aim to model the time using regression. Only compare the groups differ in terms of milk production. There are many missing

Re: [R] Longitudinal data

2011-12-27 Thread Uwe Ligges
On 27.12.2011 14:43, Silvano wrote: Hi, I'm analyzing a longitudinal data set with 387 cows were observed in 63 days divided into 6 groups, and every 30 days was found to produce milk. Does not aim to model the time using regression. Only compare the groups differ in terms of milk production.

Re: [R] Longitudinal data

2011-12-27 Thread Silvano
-dortmund.de To: Silvano silv...@uel.br Cc: r-help@r-project.org Sent: Tuesday, December 27, 2011 1:13 PM Subject: Re: [R] Longitudinal data On 27.12.2011 14:43, Silvano wrote: Hi, I'm analyzing a longitudinal data set with 387 cows were observed in 63 days divided into 6 groups, and every 30 days

[R] Longitudinal data with non-randomized subjects

2011-05-01 Thread Ehsan Karim
Dear List, I have a theoretical question related to epidemiological data analysis: If the treatment status (tx = 0,1) changes over time for the patients in a non-randomized cohort, is there a way to estimate the treatment effect? (i.e., after joining the study, some patients may have to wait

Re: [R] Longitudinal data with non-randomized subjects

2011-05-01 Thread Ehsan Karim
Apology for reposting, but the format of earlier message got distorted; hopefully this time it will be readable: From: wilds...@hotmail.com To: r-help@r-project.org Subject: Longitudinal data with non-randomized subjects Date: Sun, 1 May 2011 00:34:08 -0700 Dear List, I have a theoretical

[R] longitudinal data analysis

2008-06-17 Thread raymond chiruka
hie i am want to carryout a longitudinal analysis similar to the proc catmod in SAS using The Weighted least squares method.my data is in the following format. Material nbsp; time1nbsp; time2nbsp;nbsp; time3 1nbsp;nbsp; nbsp;nbsp; nbsp;nbsp; 1 1 1 1 1 2 2 2 2 2 3 3 3 .