Thank you Prof Ripley, I understand and changed Rayos into a factor. Can someone please tell me how to change the:
Model: > cbind(MaxHatch, TotalEggs - MaxHatch) ~ Aeventexhumed + Veg + > Berm + HTL Into a model that has?: Model: cbind(MaxHatch, TotalEggs - MaxHatch) ~ 1 Best, J -- View this message in context: http://r.789695.n4.nabble.com/add1-GLM-Warning-message-what-does-it-mean-tp4309553p4309632.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.