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

Author

Listed:
  • Giovanni Cerulli

    () (IRCrES-CNR)

Programming Language

Stata

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.

Suggested Citation

  • Giovanni Cerulli, 2020. "CUB: Stata module to estimate ordinal outcome model estimated by a mixture of a uniform and a shifted binomial," Statistical Software Components S458727, Boston College Department of Economics, revised 09 Dec 2020.
  • Handle: RePEc:boc:bocode:s458727
    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.
    as

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    File URL: http://fmwww.bc.edu/repec/bocode/c/cub.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/c/cub14.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/c/cub14s.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/c/cub.sthlp
    File Function: help file
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    File URL: http://fmwww.bc.edu/repec/bocode/s/scattercub.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/s/scattercub.sthlp
    File Function: help file
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    File URL: http://fmwww.bc.edu/repec/bocode/c/cub_do_run.do
    File Function: sample file
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    File URL: http://fmwww.bc.edu/repec/bocode/b/biden.dta
    File Function: sample data file
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    File URL: http://fmwww.bc.edu/repec/bocode/u/universtata.dta
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