GSGROUP: Stata module to create a group variable and optionally an output dataset for a gsort key

Roger Newson

Statistical Software Components from Boston College Department of Economics

Abstract: gsgroup inputs a gsort key (a list of elements of the form used by gsort), and generates as output a new variable, indicating the sequential order of the group to which each observation belongs, and (optionally) an output dataset (or resultsset), with 1 observation per group, and data on the values of the generated variable, and the variables of the gsort key corresponding to that group. Unlike gsort, gsgroup does not change the sort order of the dataset in memory. The output dataset can be merged into other datasets, using the official Stata command merge or the SSC package addinby. gsgroup is typically used together with the SSC packages parmest and xcontract.

Language: Stata
Requires: Stata version 10
Keywords: data management; group; gsort (search for similar items in EconPapers)
Date: 2012-10-02
Note: This module should be installed from within Stata by typing "ssc install gsgroup". 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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http://fmwww.bc.edu/repec/bocode/g/gsgroup.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/g/gsgroup.sthlp help file (text/plain)

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