Re: [R] some irritation with heteroskedasticity testing

Dear matt, > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Bunny, lautloscrew.com > Sent: September-18-09 6:18 AM > To: r-help@r-project.org > Subject: [R] some irritation with heteroskedasticity tes

[R] some irritation with heteroskedasticity testing

Dear all, Trying to test for heteroskedasticity I tried several test from the car package respectively lmtest. Now that they produce rather different results i am somewhat clueless how to deal with it. Here is what I did: 1. I plotted fitted.values vs residuals and somewhat intuitively b