1) I have a semiparametric model, like
*Y~x1+s(x2)+s(x3)*
When I rum gam package I only obtained the estimates and the statistics of
the nonparametric part. How can I get the parametric part? Please could you
give me the complete comand to do it.
2) How are the negative coefficients identified. I run different examples
and I never got any negative parameters.
Thank you,
Dacha
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