Re: [R] dreaded p-val for d^2 of a glm / gam

2008-03-28 Thread Monica Pisica
. Thanks again, Monica Date: Thu, 27 Mar 2008 16:38:12 -0700 From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] CC: r-help@r-project.org Subject: Re: [R] dreaded p-val for d^2 of a glm / gam I assume you mean 'deviance', not 'squared deviance'; if the latter, then I have no idea. If the former

Re: [R] dreaded p-val for d^2 of a glm / gam

2008-03-28 Thread Spencer Graves
times i was asked to provide a similar thing for quite different models. Thanks again, Monica Date: Thu, 27 Mar 2008 16:38:12 -0700 From: [EMAIL PROTECTED] To: [EMAIL PROTECTED] CC: r-help@r-project.org Subject: Re: [R] dreaded p-val for d^2 of a glm / gam I assume you mean

Re: [R] dreaded p-val for d^2 of a glm / gam

2008-03-27 Thread Spencer Graves
I assume you mean 'deviance', not 'squared deviance'; if the latter, then I have no idea. If the former, then a short and fairly quick answer to your question is that 2*log(likelihood ratio) for nested hypotheses is approximately chi-square with numbers of degrees of freedom =