[R] Mauchly and Levene

Peter Dalgaard p.dalgaard at biostat.ku.dk
Tue Jun 27 17:58:52 CEST 2006

Tanja Seifried <cinnamon313 at web.de> writes:

> Hallo
> thanks a lot for the answer, I found the Levene test in the car package.
> I already tried to compute my Mauchly.test the same way as in the example(SSD)
> matrix <- lm(data)

That is not how lm is used in example(mlmfit)... Is this really what
you did, and why are you calling the result "matrix"?

> mauchly.test(matrix,X=~1)
> I was just unsure about it because with that I get a different result than when I do the Mauchly test with SPSS... hm

Very different, or just a little? I know that the R version carries a
few more terms of the asymptotic expansion that the one in SAS.

   O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
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