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Re: GAM p-values

To: kate.bassil@utoronto.ca
Subject: Re: GAM p-values
From: "Wensui Liu" <liuwensui@gmail.com>
Date: Thu, 7 Feb 2008 14:52:35 -0500
Cc: s-news@lists.biostat.wustl.edu
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In-reply-to: <20080207144343.0285u0yjkk04kc0k@webmail.utoronto.ca>
References: <20080207144343.0285u0yjkk04kc0k@webmail.utoronto.ca>
what kind of p-value are you after? p-value for t-statistics or
p-value for chi-square statistics of nonlinear terms, or p-value for
something else?

On Feb 7, 2008 2:43 PM,  <kate.bassil@utoronto.ca> wrote:
> I am using S-plus 7.0 to run GAM models in my analysis.
> An example of the model is:
> model<-gam(Def1~T.Max+day+lo(RH)+lo(time)+offset(log(All.Calls)),family=poisson(link=log),na.action=na.omit).
> To get the coefficients I enter:
> coefficients(summary.glm(model,c=F,dispersion=0).
>
> However, this only produces the value, std error, and t-value. I would
> also like p-values for the GAM models. Any suggestions on how to do
> this?
>
> Thanks,
> Kate Bassil
>
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