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


From   rachel grant <[email protected]>
To   [email protected]
Subject   Re: st: Fwd: Another question about zero inflated models
Date   Thu, 24 Feb 2011 18:19:44 +0000

Fantastic, thanks! And a good tip about the logistic regression.

On 24 February 2011 18:14, Joerg Luedicke <[email protected]> wrote:
> On Thu, Feb 24, 2011 at 1:07 PM, rachel grant <[email protected]> wrote:
>> Thanks for replying. No, DEGD is my continuous independent variable
>> which I think nay be causing zeros in my dependent count variable ,
>> MALES.
>> 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...)
>
> J.
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-- 
regards, Rachel

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