Cristian Carranza wrote:> Hi!
>
> I am an R beginer, so perhaps this is a quite simple question...
> After using the lmer command (under the lme4 package) for fitting a mixed
model, it was impossible to use de command plot(model) for checking model
adequacy. R returns this message: "Error in as.double(y) : cannot type
'%s' coerce to vector".
Because lme4 does not ship a plot method for th lmer class and
plot.default cannot handle the object ...
> Could anyone be so kind to tell me what to do?
Think about how your plot should look like and implement it yourself.
> How can I continue to use lme library
> instead of lmer? R does not recognize lme anymore.
> Thanks in advance!
What is "lme library"? If you mean the function lme() from package
"nlme", you have to load "nlme" rather than
"lme4".
Uwe Ligges
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