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

Roger Newson

Statistical Software Components from Boston College Department of Economics

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).

Language: Stata
Requires: Stata version 16
Keywords: data manipulation; summary statistics (search for similar items in EconPapers)
Date: 2003-08-11, Revised 2023-05-20
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.
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Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/x/xcollapse.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/x/xcollapse.sthlp help file (text/plain)

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Persistent link: https://EconPapers.repec.org/RePEc:boc:bocode:s433904

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