Thank you John, I solved exploiting Anova call type 2 in your car package
:)
Il 25/apr/2014 14:57 "John Fox" <jfox@mcmaster.ca> ha scritto:

> Dear Sergio,
>
> The Anova() function in the car package can perform MANOVA with a
> multivariate linear model fit to unbalanced data by lm() -- see the
> examples in ?Anova. I'm not sure what you mean by "avoiding NA values,"
> however. With the default na.action, which is na.omit, lm() will perform a
> complete-case analysis, omitting cases with NA for any variable in the
> model.
>
> I hope this helps,
>  John
>
> ------------------------------------------------
> John Fox, Professor
> McMaster University
> Hamilton, Ontario, Canada
> http://socserv.mcmaster.ca/jfox/
>
>
> On Fri, 25 Apr 2014 11:17:44 +0200
>  Sergio Fonda <sergio.fonda99@gmail.com> wrote:
> > Hello list,
> > I would be very grateful if somebody could suggest me which kind of call
> > may be used to perform a manova with unbalanced data avoiding NA values.
> > Thanks a lot
> >
> >       [[alternative HTML version deleted]]
> >
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>
>
>
>

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