Re: [R] Strange message when plot function used..

2008-04-06 Thread Uwe Ligges
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: "Erro

[R] Strange message when plot function used..

2008-04-06 Thread Cristian Carranza
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' c