Re: [R] Multicollinearty in logistic regression models

2011-12-16 Thread Liviu Andronic
On Fri, Dec 16, 2011 at 1:47 PM, David Winsemius wrote: > Harrell's rms package has a vif function that is intended for use with fits > from his logistic regression model function, lrm. This uses the variance > Also see vif() in 'car'. Liviu __ R-help@

Re: [R] Multicollinearty in logistic regression models

2011-12-16 Thread David Winsemius
On Dec 15, 2011, at 7:41 PM, wrote: David Winsemius writes: On Dec 15, 2011, at 11:34 AM, Mohamed Lajnef wrote: Dear All, Is there a method to diagnostic multicollinearty in logistic regression models like vif indicator in linear regression ( variance inflation Factor ...) ? Wouldn't

Re: [R] Multicollinearty in logistic regression models

2011-12-15 Thread cberry
David Winsemius writes: > On Dec 15, 2011, at 11:34 AM, Mohamed Lajnef wrote: > >> Dear All, >> >> Is there a method to diagnostic multicollinearty in logistic >> regression >> models like vif indicator in linear regression ( variance inflation >> Factor ...) ? >> > > Wouldn't matrix representat

Re: [R] Multicollinearty in logistic regression models

2011-12-15 Thread David Winsemius
On Dec 15, 2011, at 11:34 AM, Mohamed Lajnef wrote: Dear All, Is there a method to diagnostic multicollinearty in logistic regression models like vif indicator in linear regression ( variance inflation Factor ...) ? Wouldn't matrix representation of the predictor "side" of the regress

[R] Multicollinearty in logistic regression models

2011-12-15 Thread Mohamed Lajnef
Dear All, Is there a method to diagnostic multicollinearty in logistic regression models like vif indicator in linear regression ( variance inflation Factor ...) ? Thank you in advance M -- Mohamed Lajnef,IE INSERM U955 eq 15# P?le de Psychiatrie