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Poisson, Model Indirect, and Bootstra...
Structural Equation Modeling
posted on Wednesday, March 27, 2013 - 7:32 am
I'm testing a mediational path model using model indirect and bootstrapping. My outcome variable is a count variable so I tried using the (count is) command and I got this error:
" MODEL INDIRECT is not available for analysis with ALGORITHM=INTEGRATION."
Is it possible to combine a Poisson distribution with bootstrapping and model indirect?
Linda K. Muthen
posted on Wednesday, March 27, 2013 - 2:34 pm
The product approach to indirect effects does not work in your case. You can use MODEL CONSTRAINT and the formulas from the following paper:
Muthén, B. (2011). Applications of causally defined direct and indirect effects in mediation analysis using SEM in Mplus
posted on Thursday, March 28, 2013 - 5:06 am
Thank you. I downloaded the paper from the Mplus website but it only goes up to page 110. The info I need is on page 138. Where can I get the whole paper?
Bengt O. Muthen
posted on Thursday, March 28, 2013 - 6:38 am
The paper has 3 parts - you find the other 2 parts as mentioned in connection with the paper:
"Click here to view the Technical appendix that goes with this paper and click here for the Mplus input appendix."
Page 138 is in the Mplus input appendix.
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