Message-ID: <CANrzCv3FY9CYYVcMxGbrKUV06QgxkyWFC9gNpTa8cAMEaGJWeA@mail.gmail.com>
Date: 2018-02-25T21:45:40Z
From: C. AMAL D. GLELE
Subject: zero-inflated-count-data?
In-Reply-To: <CABghstSMKH2VE3aPLi1xr+Z3Kyvj2txMP_ad9fvx=9YC76z9PA@mail.gmail.com>
Hi, Ben
Many thanks to you for your very helpful reply.
Best and regards,
2018-02-25 19:05 GMT+01:00 Ben Bolker <bbolker at gmail.com>:
> There is no set proportion. (For example, a Poisson distribution with
> a mean of 0.01 is expected to be about 99% zeros, even without
> zero-inflation.) There's a little bit of (bare-bones) discussion of
> how to test for zero-inflation here:
> https://bbolker.github.io/mixedmodels-misc/glmmFAQ.html#zero-inflation
>
> On Sun, Feb 25, 2018 at 7:08 AM, C. AMAL D. GLELE <altessedac2 at gmail.com>
> wrote:
> > Hi, dear all.
> > From which proportion of zero a count should be considered as
> zero-inflated
> > (in order to use a zero-inflated model for it's modelling)?
> > In advance, thanks for your replies.
> > Best,
> >
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