Re: [R] Bartlett test

From: Benilton Carvalho <bcarvalh_at_jhsph.edu>
Date: Fri 19 Jan 2007 - 23:22:55 GMT

The null hypothesis is that the variances do not differ across groups. The Bartlett test is sensitive to non-normality and that might lead you to consider something more robust (eg, Levene's test).

b

On Jan 19, 2007, at 9:04 AM, Matthieu Mourroux wrote:

> Bonjour,
> Je voudrais tester l'homoscédasdicité entre des groupes. J'aurais
> alors aimé savoir quelle était l'hypothèse nulle du test de bartlett.
> Merci pour votre aide.
> Matthieu.



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