OPARALLEL: Stata module providing post-estimation command for testing the parallel regression assumption

Maarten Buis

Statistical Software Components from Boston College Department of Economics

Abstract: oparallel is a post-estimation command testing the parallel regression assumption in a ordered logit model. By default it performs five tests: a likelihood ratio test, a score test, a Wald test, a Wolfe-Gould test, and a Brant test. These tests compare a ordered logit model with the fully generalized ordered logit model, which relaxes the parallel regression assumption on all explanatory variables. Optionally, oparallel can use the bootstrap to compute the p-values for these tests.

Language: Stata
Requires: Stata version 11
Keywords: ordered logit; parallel regression assumption; bootstrap (search for similar items in EconPapers)
Date: 2013-10-16, Revised 2019-06-13
Note: This module should be installed from within Stata by typing "ssc install oparallel". 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.
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Citations: View citations in EconPapers (1)

Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/o/oparallel.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/o/oparallel.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/o/oparallel_ex.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/g/gologit3_lf2.ado program code (text/plain)

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