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NSCALE: Stata module to scale data

Author

Listed:
  • JeongHoon Min

    (Sogang University)

Programming Language

Stata

Abstract

nscale provides a convenient way to recode variables to lie between 0 and 1 via dividing var-min(var) by max(var)-min(var). nscale can recode many variables at once and has options gen() and pre() which work in the similar manner as Stata’s default command recode does. It is also possible to store transformed values in existing variables with option nopost. nscale can set specific value or interval to missing (.) as well. For example, if a survey question q1 coded DK as 98 and miscellaneous as 99 and you want to exclude those values from analysis, just type: nscale q1 , m(98) up. Then nscale sets all observations whose value is greater than or equal to 98 to missing (.). The option down combined with option m(#) works similarly. Moreover, nscale does reverse coding with option r and tabulates new variables with option t.

Suggested Citation

  • JeongHoon Min, 2019. "NSCALE: Stata module to scale data," Statistical Software Components S458675, Boston College Department of Economics, revised 22 Aug 2019.
    • Handle: RePEc:boc:bocode:s458675
    Note: This module should be installed from within Stata by typing "ssc install nscale". 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

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    File URL: http://fmwww.bc.edu/repec/bocode/n/nscale.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/n/nscale.sthlp
    File Function: help file
    Download Restriction: no
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    More about this item

    Keywords

    data management; scaling; Stata;
    All these keywords.

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