Re: [R] An issue with White's test in Anova

2007-08-24 Thread John Fox
[mailto:[EMAIL PROTECTED] On Behalf Of David Kaplan > Sent: Friday, August 24, 2007 3:55 PM > To: r-help@stat.math.ethz.ch > Subject: [R] An issue with White's test in Anova > > Hi all, > > I'm running White's test to correct for non-constant error > varian

[R] An issue with White's test in Anova

2007-08-24 Thread David Kaplan
Hi all, I'm running White's test to correct for non-constant error variance and I am using the Anova function in the package CAR. My command structure is > Anova(scireg3, white.adjust="hc3") where scireg3 is an object from lm. I get the message "Error in SS[i] <- SS.term(names[i]) : nothing