Dear all,

I apologize if my question is a bit stupid, but I'm fairly new to the field
of mixed effect modelling.

I have performed several regressions, during which I also tested for the
significance of a random grouping variable. Most of the time, the random
factor was not statistically significant but it was for some regressions.

I was wondering how to calculate the relative importance of the independent
variables (I guess for the lme model I also need to look at the importance
of the random variable?) for both lm and lme models?

Thanks!
Ellen

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