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hellug
2007 Nov 14
2
Help with Bartlett's test on linear model
...ral
linear model for some analysis of covariance. It seems that the
Bartlett's test is a good test to use but I am having problem using with
linear model and I cannot find any examples on the internet. There are
some examples for comparisons of variances but not linear models.
If I take the hellung data set, which is the example in Dalgaard's book.
I know var.test works fine but I want to learn how to use the Bartlett's
test.
> hellung$glucose <- factor(hellung$glucose, labels=c("Yes","No"))
> attach(hellung)
> tethym.gluc <- hellung[glucose==&q...