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IMBALANCE: Stata module to check covariate imbalance before and after matching

Author

Listed:
  • Shenyang Guo

    (University of North Carolina at Chapel Hill)

Programming Language

Stata

Abstract

imbalance calculates absolute standardized difference in covariate means (ASAM) before matching (dx) and after matching (dxm), as described by Haviland, Nagin, and Rosenbaum (2007). It allows the analyst to evaluate whether matching balances an observed covariate between treated and control observations.

Suggested Citation

  • Shenyang Guo, 2009. "IMBALANCE: Stata module to check covariate imbalance before and after matching," Statistical Software Components S457043, Boston College Department of Economics.
    • Handle: RePEc:boc:bocode:s457043
    Note: This module should be installed from within Stata by typing "ssc install imbalance". 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/i/imbalance.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/i/imbalance.hlp
    File Function: help file
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/c/cds.dta
    File Function: example data file
    Download Restriction: no
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    More about this item

    Keywords

    covariate; matching; Stata;
    All these keywords.

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