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RE: st: sum question


From   Patricia Vera Rojas <pverarojas@yahoo.es>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: sum question
Date   Tue, 13 Jun 2006 17:13:10 +0200 (CEST)

But I have many observations for each id, 
I can not sum it manually...

Patricia


 --- "White, Justin" <JWhite@yesvirginia.org> escribió:

> Did you try a replace command?
> 
> You could say:
> 
> Replace income = 40 if id==x
> Replace income = 45 if id==xx
> 
> That is probably the easiest thing to do.
> 
> Justin 
> 
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf
> Of Patricia Vera Rojas
> Sent: Tuesday, June 13, 2006 11:02 AM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: sum question
> 
> Hi everyone,
> 
> I have:
> 
> ID  Income
> x     15
> x     20
> x      5
> xx     15
> xx     10
> xx     10
> xx     10
> 
> I want to get:
> 
> ID  Tot-Inc
> x     40
> x     40
> x     40
> xx    45
> xx    45
> xx    45
> xx    45
> 
> 
> How can I do it?
> 
> Thanks a lot,
> 
> Patricia
> 
>  
> > I have a recursive problem involving linked list of
> > structures in Mata, but 
> > after some number of chains (number is not fixed,
> that's
> > why I decided to 
> > use list instead of a matrix) I don't need an earlier
> > members of the list 
> > and they can be dropped to free some memory. If I don't
> > drop them, my list 
> > is getting too long and even makes Stata to crash.
> > 
> > I was wondering if there was some way of clearing
> > structures like other 
> > objects in Stata.
> > 
> > Thanks in advance,
> > Zurab
> > 
> > 
> > *
> > *   For searches and help try:
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> > *   http://www.stata.com/support/statalist/faq
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> > 
> 
> 
> __________________________________________________
> Correo Yahoo!
> Espacio para todos tus mensajes, antivirus y antispam
> ¡gratis! 
> Regístrate ya - http://correo.yahoo.es 
> *
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> 
> *
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> 


__________________________________________________
Correo Yahoo!
Espacio para todos tus mensajes, antivirus y antispam ¡gratis! 
Regístrate ya - http://correo.yahoo.es 
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



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