KDENS2: Stata module to estimate bivariate kernel density

Christopher Baum

Statistical Software Components from Boston College Department of Economics

Abstract: kdens2 generalizes the kdensity command to produce a bivariate kernel density estimate and a graph. For Stata 12.1, the graph is produced by twoway contourline or optionally twoway contour. For earlier versions, the graphics are provided by Adrian Mander's surface routine as a three-dimensional wireframe plot. The kernel density is generated by a Gaussian kernel. The user may optionally save a dataset containing the density values, as well as the graph.

Language: Stata
Requires: Stata version 10.0 (12.1 for advanced graphics)
Keywords: bivariate kernel density; Gaussian density; contour plot; surface plot (search for similar items in EconPapers)
Date: 2005-01-08, Revised 2012-11-20
Note: This module should be installed from within Stata by typing "ssc install kdens2". 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/k/kdens2.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/k/kdens2.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/s/surface.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/s/surface.sthlp help file (text/plain)

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