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SYMMETRY: Stata modules to perform tests of symmetry for NxN contingency tables

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Author Info

  • Mario Cleves

    () (Stata Corporation)

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    Abstract

    Here is an ado file and a help file for calculating asymptotic and exact tests of symmetry for NxN contingency tables from dependent samples. This test is known in genetics as the TDT test. "symmetry" performs symmetry and marginal homogeneity tests on square NxN tables where there is a 1 to 1 matching of cases and controls (non-independence).

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    File URL: http://fmwww.bc.edu/repec/bocode/s/symmetry.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/s/symmetry.hlp
    File Function: help file
    Download Restriction: no

    Bibliographic Info

    Software component provided by Boston College Department of Economics in its series Statistical Software Components with number S320802.

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    Programming language: Stata
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    Date of creation: 24 Sep 1997
    Date of revision:
    Handle: RePEc:boc:bocode:s320802

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    Postal: Boston College, 140 Commonwealth Avenue, Chestnut Hill MA 02467 USA
    Phone: 617-552-3670
    Fax: +1-617-552-2308
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    Web page: http://fmwww.bc.edu/EC/
    More information through EDIRC

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    Web: http://repec.org/docs/ssc.php

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