CUB: Stata module to estimate ordinal outcome model estimated by a mixture of a uniform and a shifted binomial

Giovanni Cerulli

Statistical Software Components from Boston College Department of Economics

Abstract: cub estimates a probability model for an ordinal outcome variable, where the probability to observe a specific ordinal value (a preference for a given commodity, for instance) is modeled as a mixture of a Uniform and a shifted Binomial distribution. The Uniform distribution models individual uncertainty in setting a preference, whereas the shifted Binomial distribution is the law of probability governing individual feeling on the item. The user can specify the covariates expected to drive individual uncertainty, as well as those possibly affecting individual feeling. Furthermore, cub can handle categories presenting an exceptional large frequency (the so-called "shelters") thus accounting for model inflation. The parameters of the cub model are estimated via maximum likelihood.

Language: Stata
Requires: Stata version 14.1
Keywords: ordinal data; probability model; uniform distribution; binomial distribution (search for similar items in EconPapers)
Date: 2020-01-06, Revised 2021-12-15
Note: This module should be installed from within Stata by typing "ssc install cub". 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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Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/c/cub.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/c/cub14.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/c/cub14s.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/c/cub.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/s/scattercub.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/s/scattercub.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/c/cub_do_run.do sample file (text/plain)
http://fmwww.bc.edu/repec/bocode/b/biden.dta sample data file (application/x-stata)
http://fmwww.bc.edu/repec/bocode/u/universtata.dta sample data file (application/x-stata)

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