[R] multcomp on significant interaction in coxme model

2013-07-05 Thread Simon Tragust
ct)' is not equal to 'length(coef(model))' Performing exactly the same routine with the same data on a logistic model with family=binomial does not give this error message. So my question is, what am I missing here? Thanks, for any possible input -- Simon Tragust Animal Ecolog

[R] warning message: coxme with package multcomp

2012-04-16 Thread Simon Tragust
possible to get multiple comparisons on a coxme model if one of the levels of a factor has only cencored data?. Many thanks in advance! Simon -- Simon Tragust Animal Ecology I University of Bayreuth __ R-help@r-project.org mailing list https://stat.

Re: [R] coxme: model simplification using LR-test?

2012-02-20 Thread Simon Tragust
rmula. Solution: add the following function: formula.coxme<- function(x, ...) x$call$formula This method will be included in my next update of coxme. Terry Therneau -- Simon Tragust Animal Ecology I University of Bayreuth __ R-help@r-pr

[R] coxme: model simplification using LR-test?

2012-02-19 Thread Simon Tragust
(1)Is it not possible to do model simplification with coxme? (2)Is there another way to assess an overall significant interaction with coxme? Thanks in advance Simon Simon Tragust Animal Ecology I NW I University of Bayreuth D-95440 Bayreuth __ R-help@