OCRATIO: Stata modules to fit continuation-ratio models on ordinal response data

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

Statistical Software Components from Boston College Department of Economics

Abstract: ocratio fits models based on continuation-ratio probabilities to ordinal responses (using maximum-likelihood). Three models are available using the logit, probit and complementary-log-log (f(x)=log[-log(1-x)]) functions. These models are an alternative to the models based on cumulative probabilities fitted by ologit and oprobit. ocratio also enables the fitting of a "ocloglog" model by using the cumulative option. This is possible because the "ocloglog" model is equivalent to the continuation-ratio complementary-log-log.

Language: Stata
Date: 1998-02-16

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

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