Does anyone know how to extract residuals in lmer?
Here's the error I get:
> crop.lme=lmer(response~variety*irrigation*pesticide+(1|rep)+(1|rep: pesticide)+(1|rep:pesticide:irrigation), crop.data)
> qqnorm(crop.lme)
Error in qqnorm.default(crop.lme) : y is empty or has only NAs
> resid(crop.lme)
NULL
Thanks!
--Jake
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