Re: [R] getting all contrasts from glm

2010-10-22 Thread Mark Difford
Jim, >> In the glm object I can find the contrasts of the main treats vs the >> first i.e. 2v1, 3v1 and >> 4v1 ... however I would like to get the complete set including 3v2, 4v2, >> and 4v3 ... along with >> the Std. Errors of all contrasts. Your best all round approach would be to use the m

[R] getting all contrasts from glm

2010-10-22 Thread Maas James Dr (MED)
I'm using the following model to do an analysis faicout <- glm(cbind(events,patnums-events) ~ as.factor(treat) + as.factor(numtrial), family = binomial ) Is this example there are 4 treatments . In the glm object I can find the contrasts of the main treats vs the first i.e. 2v1, 3v1 and 4v1 .