search for: hemeroby

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

2011 Aug 11
1
Mixed effect models
...ing my Habitat factors levels (e.g. combining green space and brownfield together). My second mixed effect model is seeing if environmental factors influence the mixed effect model, but I want to use interactions. When I plot this I get an error message. > model1<-lmer(Total.abundance~(area+Hemeroby+Age+isolation+Height+Bare.ground+Grass+Non.grass)^2+(1|Site)+(1|Week),REML=FALSE,family=poisson) Error: inner loop 1; cannot correct step size In addition: Warning message: step size truncated due to divergence Thus I tried it without interactions- > model1<-lmer(Total.abundance~area+Heme...