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RE: st: m:m merge not working properly
From
"Impavido, Gregorio" <[email protected]>
To
"[email protected]" <[email protected]>
Subject
RE: st: m:m merge not working properly
Date
Tue, 10 Jan 2012 13:02:07 -0500
I am not surprised: m:m has an infinite possible combinations and the computer simply randomizes. In fact I am not sure what is the use to allow m:m in merge to start with. This is similar to using sort without the stable option (see -help sort-). In any case, I am curious to hear what stata corp has to say.
-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Nick Cox
Sent: Tuesday, January 10, 2012 12:46 PM
To: [email protected]
Subject: Re: st: m:m merge not working properly
I would contact tech support with details of your Stata, the datasets,
the exact commands and a log of results. See
http://www.stata.com/support/faqs/techsup/sendout.html
Nick
On Tue, Jan 10, 2012 at 5:39 PM, Yakusheva, Olga
<[email protected]> wrote:
> Running stata 11 and the merge m:m command produces different sample size each time I run it in the same session. If I close out and start a new session, the merge will give me a consistent sample size but will start bouncing again if rerun without exiting. 1:1, 1:m and m:1 appear to work fine.
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