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

2012 Aug 22
3
Question concerning anova()
...fferent linear mixed effect models, derived from updating the original one. To compare these, I want to use anova(). I therefore do the following (not reproducible - just to illustration purpose!): dat <- loadSPECIES(SPECIES) subs <- expression(dead==FALSE & recTreat==FALSE) feff <- noBefore~pHarv*year # fixed effect in the model reff <- ~year|plant # random effect in the model, where year is the corr <- corAR1(form=~year|plant) # describing the within-group correlation structure # dat.lme <- lme( fixed = feff, # fixed...