[R-sig-ME] dropping interaction terms

Cristiano Alessandro cri@@le@@@ndro @ending from gm@il@com
Wed Jun 6 19:05:31 CEST 2018


It sounds like the question is controversial. Yes, I'll post it on cross
validated. Thanks!

On Wed, Jun 6, 2018 at 11:34 AM, Ben Bolker <bbolker using gmail.com> wrote:

>
>   This is really a broad linear modeling question rather than one that
> applies specifically to mixed models.  Can I suggest that you try
> CrossValidated [https://stats.stackexchange.com] ? (Be prepared for a
> variety of opinions ...)
>
>   cheers
>     Ben Bolker
>
> On 2018-06-06 12:45 PM, Cristiano Alessandro wrote:
> > Dear all,
> >
> > I have a simple design with two factors (each with two levels) and their
> > interaction term. I am analyzing it with mixed models.
> >
> > The interaction term is not significant. Do I need to fit another model
> > without the interaction term before performing post-hoc tests, or is it
> > more appropriate to perform post-hoc tests on the full model with the
> > non-significant interaction term?
> >
> > Thanks for your help
> >
> > Best
> > Cristiano
> >
> >       [[alternative HTML version deleted]]
> >
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> >
>
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