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Re: st: unstable results with repeating the nearmrg command


From   Neil Shephard <nshephard@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: unstable results with repeating the nearmrg command
Date   Tue, 11 Aug 2009 13:03:30 +0100

Try adding a -set seed ### - in your do-file prior to running the
-nearmrg- and then see if the results are reproducible.

Given its a "fuzzy" matching algorithm it doesn't surprise me that you
get different results on subsequent runs, and setting a seed is the
way to circumvent such "problems".

Neil

-- 
"The combination of some data and an aching desire for an answer does
not ensure that a reasonable answer can be extracted from a given body
of data." ~ John Tukey (1986), "Sunset salvo". The American
Statistician 40(1).

Email - nshephard@gmail.com
Website - http://slack.ser.man.ac.uk/
Photos - http://www.flickr.com/photos/slackline/
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