TDDENS: Stata module to estimate and graph bivariate density with heat map
Statistical Software Components from Boston College Department of Economics
tddens estimates bivariate density using a symmetric triangle kernel with bandwidth given as a proportion of sample range (default 10%) and produces several graphs. A "heat map" is produced by default; option sgraph shows a surface plot as points, and option bgraph shows a bar graph that offers an alternative view of the surface.
Requires: Stata version 8.2
Keywords: bivariate density; kernel density; heat map; surface plot (search for similar items in EconPapers)
Date: 2009-09-04, Revised 2011-04-01
Note: This module should be installed from within Stata by typing "ssc install tddens". 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/t/tddens.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/t/tddens.hlp help file (text/plain)
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Persistent link: https://EconPapers.repec.org/RePEc:boc:bocode:s457076
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