Hi,
I am new to R and not fantastic at statistics so it may well be that I am
doing something silly but I can't figure out what it is and hoping that
somebody can help.
I am running package lme4, and trying to get a Residuals vs. Fitted graph.
When I try to plot, I receive an error.
Error in as.double(y) :
cannot coerce type 'S4' to vector of type 'double'
Here is the code I am using
library("lme4")
m1<-lmer(y~trt*time*loc_block*Season+(1|ID), data=d)
plot(m1,add.smooth=F,which=1)
Error in as.double(y) :
cannot coerce type 'S4' to vector of type 'double'
I searched the forums for some answers but haven't found anything
useful. Any insight into what I am doing wrong and how to fix it.
Sara
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