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XCOLLAPSE: Stata module to make data set of summary statistics on disk or in memory

Author

Listed:
  • Roger Newson

    (King's College London)

Programming Language

Stata

Abstract

xcollapse is an extended version of collapse, which creates a data set with one observation per combination of values of a list of variables in the existing data set and new variables containing summary statistics of other variables (eg means) in each combination. xcollapse allows the user to choose the destination of the output data set, which may either be listed to the Stata log, or saved to a disk file, or written to the memory (overwriting any existing data set).

Suggested Citation

  • Roger Newson, 2003. "XCOLLAPSE: Stata module to make data set of summary statistics on disk or in memory," Statistical Software Components S433904, Boston College Department of Economics, revised 20 May 2023.
    • Handle: RePEc:boc:bocode:s433904
    Note: This module may be installed from within Stata by typing "ssc install xcollapse". 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/x/xcollapse.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/x/xcollapse.sthlp
    File Function: help file
    Download Restriction: no
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