There are functions to calculate variance inflation factors in various
packages, e.g. car and Design. I believe these work with generalized
linear models.
On 24/10/06, Chris Linton [EMAIL PROTECTED] wrote:
I'm sorry to all those who are tired of seeing my email appear in need of
help. But,
Also, have a look at the perturb package which has a couple of
functions for collinearity diagnosis.
On 24/10/06, Chris Linton [EMAIL PROTECTED] wrote:
I'm sorry to all those who are tired of seeing my email appear in need of
help. But, I've never coded in any program before, so this has been
Dear Peter,
I especially like the VIF (and GVIF) functions in package car, by John Fox.
(I'm assuming you are dealing with [generalized] linear models).
HTH,
R.
On Wednesday 05 July 2006 17:16, Peter Lauren wrote:
Is there a colinearty function implemented in R? I
have tried
Ramon Diaz-Uriarte wrote:
Dear Peter,
I especially like the VIF (and GVIF) functions in package car, by John Fox.
(I'm assuming you are dealing with [generalized] linear models).
HTH,
R.
And even though ignoring Y prevents you from seeing the whole picture,
redundancy analysis of X
Peter Lauren wrote:
Is there a colinearty function implemented in R? I
have tried help.search(colinearity) and
help.search(collinearity) and have searched for
colinearity and collinearity on
http://www.rpad.org/Rpad/Rpad-refcard.pdf but with no
success.
Many thanks in advance,
Peter
