Re: [R] flagging glm models with warnings

2007-12-14 Thread Dieter Menne
Caroline Paulsen u.washington.edu> writes: > > I'm attempting to run 250 permutations of a negative binomial GLM model for > data on fish counts. Many of the models are fit appropriately, but some > issue warnings such as "convergence not reached" or "step size truncated due > to divergence." .

[R] flagging glm models with warnings

2007-12-14 Thread Caroline Paulsen
I'm attempting to run 250 permutations of a negative binomial GLM model for data on fish counts. Many of the models are fit appropriately, but some issue warnings such as "convergence not reached" or "step size truncated due to divergence." I've attempted using glm.nb from the MASS package and the