Re: [R] Multicollinearty in logistic regression models

2011-12-16 Thread David Winsemius
On Dec 15, 2011, at 7:41 PM, cbe...@tajo.ucsd.edu wrote: David Winsemius dwinsem...@comcast.net 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 (

Re: [R] Multicollinearty in logistic regression models

2011-12-16 Thread Liviu Andronic
On Fri, Dec 16, 2011 at 1:47 PM, David Winsemius dwinsem...@comcast.net 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] 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

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

Re: [R] Multicollinearty in logistic regression models

2011-12-15 Thread cberry
David Winsemius dwinsem...@comcast.net 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