st: kdens2

[Kit Baum <baum@bc.edu>]

The kdens2 routine (bivariate kernel density estimation) has been 
revised to deal with a bug identified by Friedrich Huebler which caused 
failure when -varabbrev- was disabled. The revised version is available 
from ssc.

Kit Baum, Boston College Economics
http://ideas.repec.org/e/pba1.html

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