Re: [R] gee p values

2010-09-10 Thread Ben Bolker
John Sorkin grecc.umaryland.edu> writes: > > Peng, > If the answer were as simple as you suggest, I would expect that gee would automatically produce the p > values. Since gee does not produce the values, I fear that the computation may be more complex, or perhaps > computing p values from gee m

Re: [R] gee p values

2010-09-10 Thread John Sorkin
Peng, If the answer were as simple as you suggest, I would expect that gee would automatically produce the p values. Since gee does not produce the values, I fear that the computation may be more complex, or perhaps computing p values from gee may be controversial. Do you know which, if either o

Re: [R] gee p values

2010-09-10 Thread Peng, C
There are two z-scores reported in the summary: Naive z and Robust z. pvalue=2*min(pnorm(z-score), 1-pnorm(z-score)) # two-sided test -- View this message in context: http://r.789695.n4.nabble.com/gee-p-values-tp2533835p2534302.html Sent from the R help mailing list archive at Nabble.com. _

[R] gee p values

2010-09-09 Thread John Sorkin
windows Vista R 2.10.1 Is it possible to get p values from gee? Summary(geemodel) does not appear to produce p values.: > fit4<- gee(y~time, id=Subject, data=data.frame(data)) Beginning Cgee S-function, @(#) geeformula.q 4.13 98/01/27 running glm to get initial regression estimate (Intercept)