Re: [R] using vif from package "car" - "aliased coefficients in the model"

2011-09-13 Thread Dimitri Liakhovitski
r-13-11 10:29 AM >> To: r-help >> Subject: [R] using vif from package "car" - "aliased coefficients in >> the model" >> >> Hello! >> I have run a simple regression - lm and created a regression object >> "myreg". >> I can see al

Re: [R] using vif from package "car" - "aliased coefficients in the model"

2011-09-13 Thread John Fox
Dear Dimitri, > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of Dimitri Liakhovitski > Sent: September-13-11 10:29 AM > To: r-help > Subject: [R] using vif from package "car" - "aliased coeffi

[R] using vif from package "car" - "aliased coefficients in the model"

2011-09-13 Thread Dimitri Liakhovitski
Hello! I have run a simple regression - lm and created a regression object "myreg". I can see all the coefficients when I print(myreg). Then I tried to run vif(myreg) from the package "car". However, it's giving me an error: in vif.lm(regr.f) : there are aliased coefficients in the model Very sorr