Re: [R] interpretation of p values for highly correlated logistic analysis

2010-04-01 Thread Claus O'Rourke
Thank you both for your advice. I'll follow up on it, but it is good to know that this is a known effect. Claus On Wed, Mar 31, 2010 at 3:02 PM, Stephan Kolassa wrote: > Hi Claus, > > welcome to the wonderful world of collinearity (or multicollinearity, as > some call it)! You have a near linear

Re: [R] interpretation of p values for highly correlated logistic analysis

2010-03-31 Thread Stephan Kolassa
Hi Claus, welcome to the wonderful world of collinearity (or multicollinearity, as some call it)! You have a near linear relationship between some of your predictors, which can (and in your case does) lead to extreme parameter estimates, which in some cases almost cancel out (a coefficient of