Re: [R] [Fwd: Re: Coefficients of Logistic Regression from bootstrap - how to get them?]

2008-07-24 Thread Frank E Harrell Jr
Michal Figurski wrote: Thank you Frank and all for your advices. Here I attach the raw data from the Pawinski's paper. I have obtained permission from the corresponding Author to post it here for everyone. The only condition of use is that the Authors retain ownership of the data, and any public

[R] [Fwd: Re: Coefficients of Logistic Regression from bootstrap - how to get them?]

2008-07-24 Thread Michal Figurski
Thank you Frank and all for your advices. Here I attach the raw data from the Pawinski's paper. I have obtained permission from the corresponding Author to post it here for everyone. The only condition of use is that the Authors retain ownership of the data, and any publication resulting from the

Re: [R] [Fwd: Re: Coefficients of Logistic Regression from bootstrap - how to get them?]

2008-07-23 Thread Gustaf Rydevik
On Wed, Jul 23, 2008 at 3:14 PM, Michal Figurski <[EMAIL PROTECTED]> wrote: > I think the argument supporting the use of bootstrap to determine > coefficients, as opposed to just running linear regression on the whole > dataset, is the comparison of Rsq and prediction errors between these > two app

[R] [Fwd: Re: Coefficients of Logistic Regression from bootstrap - how to get them?]

2008-07-23 Thread Michal Figurski
I think the argument supporting the use of bootstrap to determine coefficients, as opposed to just running linear regression on the whole dataset, is the comparison of Rsq and prediction errors between these two approaches - page 1502. There's a substantial difference in favor of the bootstrap app