[R] F or Chi^2 test in GAM and other nonparametric model

[Han-Lin Lai]

Hi,

I believe that this is not a right place to post this question.  However, I
am using R and found that I am able to got many valuable hints.  Therefore,
I would ask:

Does any one have the references of selecting significant level (alpha) for
F or Chi^2-test in GAM and other nonparametric model.  Some have suggested
to use alpha=0.10 rather than conventional 0.05.  I'd like to see what are
the rationals and theories of this suggestion.

Thanks in advance.

Cheers!
Han

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