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2007 Jun 06
6
p-value from GEE
Hi to all,
I found in the R-help archive how to calculate the p-value for a gee result:
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/74150.html
but there are two questions (I am afraid they are basic questions ...)
1. why is the result multiplicated with 2
2. how could I decide between lower.tail =TRUE and FALSE:
example:
2006 Apr 10
5
p values for a GEE model
Hi all,
I have a dataset in which the output Y is observed on two groups of
patients (treatment factor T with 2 levels).
Every subject in each group is observed three times (not time points but
just technical replication).
I am interested in estimating the treatment effect and take into account
the fact that I have repeated measurements for every subject.
If I do this with repeated measures