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

Rory Wolfe ()
Additional contact information
Rory Wolfe: Royal Children's Hospital, Parkville, Victoria

Statistical Software Components from Boston College Department of Economics

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).

Language: Stata
Date: 1997-09-25

Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/o/omodel.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/o/omodel.hlp help file (text/plain)

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Persistent link: http://EconPapers.repec.org/RePEc:boc:bocode:s320901

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