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OMODEL: Stata modules to perform tests on ordered probit and ordered logit models

Author

Listed:
  • Rory Wolfe

    (Royal Children's Hospital, Parkville, Victoria)

Programming Language

Stata

Abstract

omodel.ado and omodel.hlp can be used to perform a test of the assumption of constancy of effects across categories assumed in models fitted by ologit or oprobit. omodel is an alternative to ologit and oprobit for estimating ordered logit and probit models. It produces the same results but it also reports an approximate likelihood-ratio test of whether the coefficients are equal across categories (i.e. a test of the proportional-odds assumption if logit is the requested model).

Suggested Citation

  • Rory Wolfe, 1997. "OMODEL: Stata modules to perform tests on ordered probit and ordered logit models," Statistical Software Components S320901, Boston College Department of Economics.
    • Handle: RePEc:boc:bocode:s320901
    as

    Download full text from publisher

    File URL: http://fmwww.bc.edu/repec/bocode/o/omodel.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/o/omodel.hlp
    File Function: help file
    Download Restriction: no
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    More about this item

    Keywords

    Stata;

    Statistics

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