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MARK_CHANGES: Stata module to generate a variable indicating where one or more variables changes value

Author

Listed:
  • David Kantor

    ()

Abstract

A program to detect changes -- or the starts of spells of same-valued observations with respect to a given varlist. While the basic idea is simple, the capacity for a varlist and the use of -by- make it particularly useful.

Suggested Citation

  • David Kantor, 2009. "MARK_CHANGES: Stata module to generate a variable indicating where one or more variables changes value," Statistical Software Components S457030, Boston College Department of Economics.
  • Handle: RePEc:boc:bocode:s457030
    Note: This module should be installed from within Stata by typing "ssc install mark_changes". Windows users should not attempt to download these files with a web browser.
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    File URL: http://fmwww.bc.edu/repec/bocode/m/mark_changes.ado
    File Function: program code
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    File URL: http://fmwww.bc.edu/repec/bocode/m/mark_changes.hlp
    File Function: help file
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    More about this item

    Keywords

    spell; spells; change; changes; duplicate; duplicates;

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