Thanks very much again, I´m reading some papers and articles about this issue and I think i´m starting to understand the problem. And thanks for the link to Professor Fox about the non-sequential Anova.
I'll be back with more doubts. I'm sure of that. ----- Mario Garrido Escudero PhD student Dpto. de Biología Animal, Ecología, Parasitología, Edafología y Qca. Agrícola Universidad de Salamanca -- View this message in context: http://r.789695.n4.nabble.com/GLM-different-results-with-the-same-factors-tp3690471p3703440.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.