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st: kdens2 bugfix

From   Kit Baum <>
Subject   st: kdens2 bugfix
Date   Wed, 21 Feb 2007 20:03:08 -0500

The kdens2 routine (bivariate kernel density estimation with Gaussian kernel, 3d plot using Mander's -surface- routine) has been updated to correct an error in the density calculation. An improper divisor was used in the computation. This does not affect the rendition of the bivariate kernel density plot, but corrects the vertical axis labels. Thanks to Maria Cecilia Calderon for pointing out the bug.

The revised -kdens2- is available from ssc or via adoupdate.


Kit Baum, Boston College Economics
An Introduction to Modern Econometrics Using Stata:

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