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RASCHPOWER: Stata module to estimate power of the Wald test in order to compare the means of the latent trait in two groups of individuals

Author

Listed:
  • Jean-Benoit Hardouin

    (University of Nantes, France)

  • Myriam Blanchin

    (University of Nantes, France)

Programming Language

Stata

Abstract

raschpower allows estimating the power of the Wald test comparing the means of two groups of patients in the context of the Rasch model. The estimation is based on the estimation of the variance of the difference of the means based on the Cramer-Rao lower bound.

Suggested Citation

  • Jean-Benoit Hardouin & Myriam Blanchin, 2010. "RASCHPOWER: Stata module to estimate power of the Wald test in order to compare the means of the latent trait in two groups of individuals," Statistical Software Components S457106, Boston College Department of Economics, revised 21 Jul 2023.
    • Handle: RePEc:boc:bocode:s457106
    Note: This module should be installed from within Stata by typing "ssc install raschpower". 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/r/raschpower.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/p/pcm.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/r/raschpower.sthlp
    File Function: help file
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    More about this item

    Keywords

    Rasch test; power; Wald test; Stata;
    All these keywords.

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