Displaying 1 result from an estimated 1 matches for "mygam1".
Did you mean:
mygam3
2006 Mar 16
3
Did I use "step" function correctly? (Is R's step() function reliable?)
...way up...
Perhaps to avoid overfitting, I should do a cross validation. Is there an
automatic Cross Validation inside "step" or "gam"?
Is "step" function result reliable? Or perhaps I used it incorrectly?
Thanks a lot,
Michael.
--------------------------
>
> mygam1=gam(col1 ~ col2 + col3 + col4 + s(col2, 3) + s(col3, 3) + s(col4,
3), data=X);
>
> mygam2=gam(col1 ~ col2 + col3 + col4 , data=X);
>
> mygam3=gam(col1 ~ s(col2, 6) + s(col3, 6) + s(col4, 6), data=X);
>
> mygam1
Call:
gam(formula = col1 ~ col2 + col3 + col4 +
s(col2, 3) + s(col...