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OVERDISP: Stata module to detect overdispersion in count-data models using Stata

Author

Listed:
  • Luiz Paulo Fávero

    (School of Economics, Business and Accounting, University of São Paulo, São Paulo, Brazil)

  • PatrÌcia Belfiore

    (Center of Engineering, Modeling and Applied Social Sciences, Federal University of ABC, São Bernardo do Campo, Brazil)

Programming Language

Stata

Abstract

overdisp provides a direct alternative to identify overdispersion in Stata, being a faster and an easier way to choose between Poisson and binomial negative estimations in the presence of count-data. Thus, overdisp can be implementd without the necessity of previously estimating Poisson or binomial negative models.

Suggested Citation

  • Luiz Paulo Fávero & PatrÌcia Belfiore, 2018. "OVERDISP: Stata module to detect overdispersion in count-data models using Stata," Statistical Software Components S458496, Boston College Department of Economics.
    • Handle: RePEc:boc:bocode:s458496
    Note: This module should be installed from within Stata by typing "ssc install overdisp". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
    as

    Download full text from publisher

    File URL: http://fmwww.bc.edu/repec/bocode/o/overdisp.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/o/overdisp.sthlp
    File Function: help file
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/m/mus17data.dta
    File Function: sample data file
    Download Restriction: no
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