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st: Update to -kdens- available from SSC


From   "Ben Jann" <ben.jann@gmail.com>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   st: Update to -kdens- available from SSC
Date   Thu, 9 Aug 2007 01:59:09 +0200

Thanks to Kit Baum, an update to the -kdens- package is available from
the SSC archive. -kdens- is used for kernel density estimation.

To install the update, type

 . ssc install kdens, replace

or use the -adoupdate- command. The newest version of -moremata-
is required. Type

 . ssc install moremata, replace

Main changes:

o -kdens- is now also a -twoway- plottype. That is, you can type, e.g.

    . twoway kdens var1 || kdens var2

o -kdens- has a new -histogram- option to add a histogram to the density plot.

o -kdens- has a new -range- option to set the data range over which
the density be estimated.

o -kdens- has a new -exact- option to compute exact kernel density
estimates. The default is to use the binned approximation estimator.

o -kdens- now applies a penalty for pweights in automatic bandwidth estimation.


ben
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