st: 回复： st: AW: do file

[lydia huang <lydiahsh@yahoo.com.cn>]

Dear Martin
i mean twice present, and after i changed all the -merge- to -ta_merge-, it writes"unrecognized command: ta_merge".
what's next?
Best wishes 
Lydia

--- 10年3月8日，周一, Martin Weiss <martin.weiss1@gmx.de> 写道：

> 发件人: Martin Weiss <martin.weiss1@gmx.de>
> 主题: st: AW: do file
> 收件人: statalist@hsphsun2.harvard.edu
> 日期: 2010年3月8日,周一,下午6:29
> 
> <> 
> 
> 
> 
> What does "doubled" mean? Doubled in value or twice present
> where there was only one entry previously? Try to find out
> what happened in the -merge-r by typing -ta _merge-...
> 
> 
> 
> HTH
> Martin
> 
> 
> -----Urspr眉ngliche Nachricht-----
> Von: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu]
> Im Auftrag von lydia huang
> Gesendet: Montag, 8. M盲rz 2010 11:25
> An: statalist@hsphsun2.harvard.edu
> Betreff: st: do file
> 
> Dear Statalist,
> is there any thing wrong with the following do-file:
> /* sort and save the using data*/
> cd H:\my\2007
> use written, clear
> sort patient_id
> save, replace
> 
> /* sort the master data*/
> use 13, clear
> sort patient_id
> 
> /* merge based on "patient_id" and save*/
> merge patient_id using written
> save final07, replace
> 
> 
> i don't know why, but all the observations in the final07
> have doubled.Why has this happened? what can i do?
> Best wishes
> Lydia
> 
> 
>       
> 
> 
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