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st: Re: sum() returns different results every time, why?


From   Kit Baum <kitbaum@me.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Re: sum() returns different results every time, why?
Date   Sun, 02 Aug 2009 07:21:10 -0400

<>
This is a well-known phenomenon arising as Tim suggests. I believe you can fix it by using the stable option on -sort-.

Kit

Kit Baum   |   Boston College Economics & DIW Berlin   |   http://ideas.repec.org/e/pba1.html
An Introduction to Stata Programming | http://www.stata-press.com/books/isp.html
  An Introduction to Modern Econometrics Using Stata  |   http://www.stata-press.com/books/imeus.html



On Aug 2, 2009, at 02:33 , Tim wrote:

My guess is decil and rincome do not uniquely identify the observations.
In that case your sort order will not necessarily be the same, so you
will be accumulating parting_exp in a different order each time.






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