Hi Silje,
Thanks for this. I guess RUTE is a numeric variable in this model and
hence only has one associated random coefficient? This then causes a
problem when calling predict.gam as part of processing 'residuals=T'.
I've fixed the problem for the next release, but did you really want a
single random slope for RUTE, or should it really have been declared as
a factor variable? btw gamma doesn't do anything with ML and REML
smoothness selection (it's only used in prediction error criteria
smoothness selection to increase the penalization per effective degrees
of freedom).
best,
Simon
On 28/11/12 13:02, silje skår wrote:
Hi,
I am using the mgcv package (version 1.7-22.) running the model works fine,
but when I want to have a plot with residuals I get an error.
fit29<-gam(IV~s(G3)+s(V3)+factor(AAR)+s(D3)+s(RUTE,bs="re"),data=subsf,gamma=1.4,method="ML")
plot(fit29,residuals=T)
Error in X[, first:last] %*% object$coefficients[first:last] :
non-conformable arguments
does some one know what this error means? the subsf matrix is 35x27.
Silje
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