Hi!



Just wondering how you would change this code so i can look at the random effect of species on slopes of effect of logM (body mass) and K (temperature) together.

I did this so far:

model1<-lme(logSSP~logM + K,random=~1|species,data=data1) #random effect of spp on intercept

model2<-lme(logSSP~logM + K,random=~K|species,data=data1) #random effect of spp on slope K
model3<-lme(logSSP~logM + K,random=~logM|species,data=data1) #random effect of spp on slope logM



The one I now want is:

model4<-lme(logSSP~logM + K,random=~logM|species,K|species,data=data1) #random effect of spp on both slopes of logM and K

# but this code doesn't work so how do i change the code to have a random effect of species on slopes of logM and K together???



Please help :(

Harkiran

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