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2006 Feb 27
1
question about lmer--different answers from different versions of R?
...in a previous version? See example below. I appreciate your help. Please direct answers to tsfeldman@noble.org Sincerely, Tracy S. Feldman Postdoc, The Samuel Roberts Noble Foundation Example: The model formulas (same in both): fitvisit1.1<-lmer(visitsR~dist + ctrt + (1|rep) + (1|field), family = poisson, method = "ML") fitvisit1.3<-lmer(visitsR~dist + (1|rep) + (1|field), family = poisson, method = "ML") Done in fall 2005 (I forget the most recent version then): > anova(fitvisit1.1, fitvisit1.3, test = "Chisq") D...