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From |
Steven Samuels <sjhsamuels@earthlink.net> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: suggested references about the variables to include in zero-inflated portion of zinb? |

Date |
Sun, 26 Oct 2008 11:05:43 -0400 |

I have a few thoughts:

-Steve

I am using zinb to estimate level of psychological distress (scoresrange from 0-24) using various demographic variables and measuresof use of the Internet. I've used -countfit- to compare variouscount models and the results support zinb as the best fitting model.I am uncertain, however, about how to justify the variables that Iinclude in the zero-inflated part of the model. I've read journalarticles that have used zinb, read the book by Freese and Long, andsearched the Internet and Statalist but I have not been able tofind any detailed recommendations or procedures. Can anyone suggestany other sources (books or journals) that provide an explanationor a good example of this process?Ideally I would like to find a good source that I can cite in thepaper -- but I appreciate any suggestions about this you might have.Thanks for you help, Tim ----------------------------------------------------- Timothy M. Hale, MA Graduate Assistant University of Alabama at Birmingham Department of Sociology email: timhale@uab.edu * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

* * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: suggested references about the variables to include in zero-inflated portion of zinb?***From:*Maarten buis <maartenbuis@yahoo.co.uk>

**References**:**st: suggested references about the variables to include in zero-inflated portion of zinb?***From:*Tim Hale <timhale@uab.edu>

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