[R] bivariate weighted kernel density estimator [Broadcast]

Liaw, Andy andy_liaw at merck.com
Sun Apr 23 15:44:38 CEST 2006

locfit() in the "locfit" package can do that.


From: r-help-bounces at stat.math.ethz.ch on behalf of Erich Neuwirth
Sent: Sun 4/23/2006 3:13 AM
To: r-help
Subject: [R] bivariate weighted kernel density estimator [Broadcast]

Is there code for bivariate kernel density estimation? 
For bivariate kernels there is 
kde2d in MASS 
kde2d.g in GRASS 
KernSur in GenKern 
(list probably incomplete) 
but none of them seems to accept a weight parameter 
(like density does since R 2.2.0) 

Erich Neuwirth, University of Vienna 
Faculty of Computer Science 
Computer Supported Didactics Working Group 
Visit our SunSITE at http://sunsite.univie.ac.at
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