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
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