[R] About stepwise regression problem

pigpigmeow glorykwok at hotmail.com
Thu Oct 6 09:14:01 CEST 2011

If I used mixed model ( linear + smoothing function)

How can I used p-value to perform stepwise regression???
Is it similar of Pr(<|t|) of linear term and P-value of smoothing term but T
value of linear and F  of smoothing term? 
please help!

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