search for: tempav

Displaying 1 result from an estimated 1 matches for "tempav".

Did you mean: tempa
2004 Nov 11
1
glm.fit warning message
I am feeling my way in the use of GLM's and have come across a warning whilst manually simplifying a model with interaction terms, removing terms one at a time from the maximum model (R1.9.0). > model<-glm(midpnts~(AET+tempave+tempvar+MDE+sqrtarea)^2+Lat,family=poisson,weights=weightS) > model2<-update(model,~.-tempave:tempvar) Warning message: fitted rates numerically 0 occurred in: glm.fit(x = X, y = Y, weights = weights, start = start, etastart = etastart, I have had limited success in interpreting this...