My apologies for my vague comment. My data comprises 400.000 x 21 (17 explanatory variables, plus response variable, plus two offsets).
If I build the full model (only linear) I get: Error: cannot allocate vector of size 112.3 Mb I have a 4GB RAM laptop... Would i get any improvemnt on a 8GB computer Many thanks, -- View this message in context: http://r.789695.n4.nabble.com/glm-poisson-fitting-400-000-records-tp3925100p3925968.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.