<>
Stata 11 is now the default version for the list, as you can see from the
FAQs. The -merge- command has been remodelled and now supports a -merge m:m-
which the help file describes as: "Many-to-many merge on specified key
variables"...
HTH
Martin
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von Woolton Lee
Gesendet: Freitag, 14. August 2009 17:29
An: [email protected]
Betreff: Re: st: re: merging datasets and getting different N in resulting
dataset if I
not sure what you mean by N:N merges.
Woolton
On Fri, Aug 14, 2009 at 10:48 AM, Kit Baum<[email protected]> wrote:
> <>
> This is a FAQ. Avoid N:N merges, for one thing; their results are
> unpredictable. When you sort the datasets (as you must prior to Stata 11)
by
> the merge keys, use the stable option on the sort command.
>
> 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
>
>
>
> *
> * For searches and help try:
> * http://www.stata.com/help.cgi?search
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
