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PCMODEL: Stata module to estimate parameters of a Partial Credit Model or a Rating Scale Model by MML

Author

Listed:
  • Jean-François Hamel

    (University of Nantes, France)

Programming Language

Stata

Abstract

pcmodel estimates the parameters of a Partial Credit model or a Rating Scale model using marginal maximum likelihood (MML). With pcmodel, it is possible to include covariates possibly affecting the individuals latent trait. pcmodel offers assistance in the interpretation of such covariates effect, by estimating the Type III sums of squares for these covariates, the proportion of the latent trait variance and the proportion of pseudo R2 they can explain.

Suggested Citation

  • Jean-François Hamel, 2014. "PCMODEL: Stata module to estimate parameters of a Partial Credit Model or a Rating Scale Model by MML," Statistical Software Components S457788, Boston College Department of Economics, revised 04 Sep 2014.
    • Handle: RePEc:boc:bocode:s457788
    Note: This module should be installed from within Stata by typing "ssc install pcmodel". 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

    Download full text from publisher

    File URL: http://fmwww.bc.edu/repec/bocode/p/pcmodel.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/p/pcmodel.sthlp
    File Function: help file
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/g/ghquadm.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/g/ghquadm.hlp
    File Function: help file
    Download Restriction: no
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