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MANYBARS: Stata module to produce bar graphs of a summary statistic for an outcome y variable at specific values of multiple indicator x variables

Author

Listed:
  • Brian Shaw

    (Indiana University)

Programming Language

Abstract

manybars generates bar graphs showing a summary statistic for an outcome variable, computed separately at user-specified values of one or more indicator variables. This adds functionality to Stata's native -graph bar- command, which requires a single categorical grouping variable for each - over()- call and cannot draw bars for multiple separate indicator variables in a single graph. manybars accepts one or more numeric indicator variables as x variables ("xvars") and computes the specified statistic (default: mean) of the outcome at a specific value of each indicator (default: 1), displaying the results as a grouped bar graph with legend labels drawn from value or variable labels. The -displayvalues()- option allows the user to specify which value of each xvar defines the subgroup of interest. Optionally, bars can be further grouped by one or more (usually categorical) grouping variables using the -overvars()- option. This produces clustered bar graphs that compare the statistic, at each xvar=displayvalue, across those over-variables.

Suggested Citation

  • Brian Shaw, 2026. "MANYBARS: Stata module to produce bar graphs of a summary statistic for an outcome y variable at specific values of multiple indicator x variables," Statistical Software Components S459693, Boston College Department of Economics.
    • Handle: RePEc:boc:bocode:s459693
    Note: This module should be installed from within Stata by typing "ssc install manybars". The module is made available under terms of the MIT license (https://opensource.org/licenses/MIT).
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    File URL: http://fmwww.bc.edu/repec/bocode/m/manybars.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/m/manybars.sthlp
    File Function: help file
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