RASCHTEST: Stata module to estimate parameters of the Rasch model by CML, MML or GEE

Jean-Benoit Hardouin ()

Statistical Software Components from Boston College Department of Economics

Abstract: raschtest estimates the parameters of a Rasch model. The estimation method can be chosen between conditional maximum likelihood (CML), marginal maximum likelihood (MML) and generalized estimating equations (GEE). raschtest offer a set of tests, to valuate the fit of the data to the Rasch model, or detect non homogeneous items (Andersen Z test, First order test (Q1, R1c, R1m, or Wright Panchapakesan), U test, Split test) and indexes (OUTFIT and INFIT per items or per individuals). Several graphical representations can be easily obtained: comparison of the observed a nd theoretical Item Characteristic Curves (ICC), Map difficulty parameters/Scores, results of the split tests, and information function. Stata 7 users should employ raschtestv7. The gllamm routine also must be installed (ssc install gllamm, replace).

Language: Stata
Requires: Stata version 8.0
Keywords: Rasch model; van den Wollenberg Q1 test; Andersen Z test; conditional maximum likelihood (CML); marginal maximum likelihood (MML); generalised estimating equations (GEE) (search for similar items in EconPapers)
Date: 2004-05-04, Revised 2013-06-01
Note: This module should be installed from within Stata by typing "ssc install raschtest". 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/r/raschtest.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/r/raschtest.hlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/r/raschtestv7.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/r/raschtestv7.hlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/g/gammasym.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/g/gammasym.hlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/g/geekel2d.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/g/geekel2d.hlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/e/elapse.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/e/elapse.hlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/g/gausshermite.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/g/gausshermite.hlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/g/genscore.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/g/genscore.hlp help file (text/plain)

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