[R] About Error message

[Petr PIKAL]

> 
> Hi again!
> I have a question about R.
> I have done gam in previous version of R with "mgcv" package and saved 
the
> workspace. This workspace contains different models and I will do 
prediction
> by these GAMs.
> 
> However, I install new version of R. and use the same workspace. when I 
type
> summary(models), and the error message showed
> Error in Predict.matrix.cr.smooth(object, dk$data) :  F is missing from 
cr
> smooth - refit model with current mgcv.
> 
> this workspace is normal when I used previous version of R. What's 
wrong?!

Hi

Maybe in new installation some packages are missing (not installed). Try 
to install all packages you used during your previous work and then try to 
start R again.

Regards
Petr

> Thank in advance.
> 
> 
> 
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