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ZMAP: Stata module for binned scatter maps

Author

Listed:
  • Nicholas J. Cox

    (Durham University)

Programming Language

Stata

Abstract

zmap graphs (or maps) binned values of a variable z with respect to two variables x and y treated as Cartesian coordinates. The range of z is divided into two or more bins or classes and points in each bin are shown distinctly. The resulting plot is thus a composite scatter plot. The user may specify percentile breaks or breaks on the scale of z. The main intended application is that z is a spatial series measured at numerous points or for numerous small areas with respect to map coordinates x and y. However, it is possible to use the command on other trivariate data.

Suggested Citation

  • Nicholas J. Cox, 2010. "ZMAP: Stata module for binned scatter maps," Statistical Software Components S457137, Boston College Department of Economics, revised 10 Dec 2012.
    • Handle: RePEc:boc:bocode:s457137
    Note: This module should be installed from within Stata by typing "ssc install zmap". 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/z/zmap.ado
    File Function: program code
    Download Restriction: no
    File URL: http://fmwww.bc.edu/repec/bocode/z/zmap.sthlp
    File Function: help file
    Download Restriction: no
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