ZMAP: Stata module for binned scatter maps

Nicholas Cox

Statistical Software Components from Boston College Department of Economics

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.

Language: Stata
Requires: Stata version 8
Keywords: scatter plots; spatial series; maps (search for similar items in EconPapers)
Date: 2010-03-15, Revised 2012-12-10
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.
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Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/z/zmap.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/z/zmap.sthlp help file (text/plain)

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Persistent link: https://EconPapers.repec.org/RePEc:boc:bocode:s457137

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