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Re: st: Fwd: Another question about zero inflated models

From   Joerg Luedicke <>
Subject   Re: st: Fwd: Another question about zero inflated models
Date   Thu, 24 Feb 2011 13:14:39 -0500

On Thu, Feb 24, 2011 at 1:07 PM, rachel grant <> wrote:
> Thanks for replying. No, DEGD is my continuous independent variable
> which I think nay be causing zeros in my dependent count variable ,
> I used DEGD as the inflation variable, and it was highly sig with a
> negative coefficient. What I am hoping this means is that the higher
> the DEGD, the lower probability of zero MALES. That would be
> biologically sensible.
> regards, Rachel

Yes, this interpretation is correct. (You could also see that by
running a simple logistic regression with your zeros coded as 1 and
count>0 coded as 0 if you want to confirm your interpretation...)

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