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st: Update to -kdens- available from SSC


From   "Ben Jann" <ben.jann@soz.gess.ethz.ch>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Update to -kdens- available from SSC
Date   Mon, 31 Jul 2006 22:05:38 +0200

Thanks to Kit Baum, an update to the -kdens- package 
is available from the SSC Archive.

-kdens- computes kernel density estimates.

To install the update, type

 . ssc install kdens, replace

If you install/update -kdens-, you should also 
install/update -moremata-. Type

 . ssc install moremata, replace

There are lots of changes. The most important of them are:

 o  -kdens- now always uses a binned approximation 
    estimator. The binned estimator is much faster than 
    the standard estimator in large datasets.

 o  -kdens- now has internal bootstrap and jackknife 
    routines for variance and confidence interval 
    estimation.

 o  A third method for boundary correction has been added 
    (the linear combination method).

ben



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