search for: nhdp

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2012 Mar 27
1
two lmer questions - formula with related variables and output interpretation
...ariables plus (1|Brood). Site, tide.h.l, tide.inc.out, MF.vs.OF, Human Disturbance Rate (HDr), Human Disturbance proportion of time(HDp), non-Human Disturbance (two variables as for Human Disturbance) and Age and mean.foraging.rate. As so: gm1<-lmer(Feeding~Site+tide.level+MF.vs.OF+HDr+HDp+NHDr+NHDp+Age+mean.for.rate+(1|Brood), data=AllBrood, REML=TRUE) I wished to put all the factors together to explore which ones really did influence the time spent feeding and used 'dredge' command to run all possible combinations and then averaged the models with an AICc Delta<2. I was expecting...
2012 Mar 23
3
Using MuMIn - error message
Hello, I hope that you can bare with me. I am new to models, but I think I have a pretty godd understanding of how to run them now, including how to use AICc and Anova. The issue is that I have many factors that I wish to compare so doing each one at a time would take forever. I came across the MuMIn package and I was so excited, however I am getting an error message and i don't know why.