Negative Binomial Regression Output

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Negative Binomial Regression Output

mbernstein2
I'm running a negative binominal regression in SPSS, and am getting different results in the "tests of model effects" and "parameter estimates" output. I've looked around online and can't find a good answer about what is going on, other than a general reference to the fact this sometimes happens when you include an interaction term. (And it is the case that once the interaction term is removed, these two become identical).

Any ideas what is happening and/or which of these I should be reporting on?

Thanks!
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Re: Negative Binomial Regression Output

Maguin, Eugene

How about posting the relevant section of the output.

Gene Maguin

 

From: SPSSX(r) Discussion [mailto:[hidden email]] On Behalf Of mbernstein2
Sent: Tuesday, December 13, 2016 1:46 PM
To: [hidden email]
Subject: Negative Binomial Regression Output

 

I'm running a negative binominal regression in SPSS, and am getting different results in the "tests of model effects" and "parameter estimates" output. I've looked around online and can't find a good answer about what is going on, other than a general reference to the fact this sometimes happens when you include an interaction term. (And it is the case that once the interaction term is removed, these two become identical).

 

Any ideas what is happening and/or which of these I should be reporting on?

 

Thanks!

 


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