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IGENERATE: Stata module to apply a variety of coding schemes, including weighted effect coded interactions

Author

Listed:
  • Alexander Schmidt-Catran

    (Institute of Sociology and Social Psychology, Köln)

Programming Language

Stata

Abstract

igenerate generates new indicator variables from categorical predictors, including weighted effect coded interactions. Note that Stata’s built-in command contrast does this job for most coding schemes and I recommend using contrast for most situations in applied research. igenerate does, however, construct weighted effect coded interactions, something contrast cannot do. For more information on this approach see the paper “Weighted effect coded interaction effects: a novel moderated regression model for observational studies” by Te Grotenhuis et al. /2016) in the International Journal of Public Health. Furthermore, igenerate might be useful for didactical purposes.

Suggested Citation

  • Alexander Schmidt-Catran, 2016. "IGENERATE: Stata module to apply a variety of coding schemes, including weighted effect coded interactions," Statistical Software Components S458259, Boston College Department of Economics.
    • Handle: RePEc:boc:bocode:s458259
    Note: This module should be installed from within Stata by typing "ssc install igenerate". 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/igenerate.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/i/igenerate.sthlp
    File Function: help file
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/b/bmi_sample.dta
    File Function: sample data file
    Download Restriction: no
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