The command you used is going to sum by the rows. You need to use
collapse. I didn't understand enough about your problem to know
exactly what command to do, but try :
-help collapse-
And it should be reasonably straightforward.
Jeremy
On 23/04/07, Leonor Saravia <[email protected]> wrote:
> Hello,
>
> I would like to sum the variable "tax" by "year" (2001-2004) and
> "industry" (between 31 and 39) if the variable region (between 1 and
> 13) satisfies some conditions, like: region<=4; region==5 & 6 & 7 & 13
> and if region==8 & 9 &10 & 11 & 12. This way I can create a new
> variable: "zones", which is the sum of "tax" payed in an "industry" X
> in the "year" 200X considering the range of regions defined before.
[snip]
>
> bysort year industry: egen tax_zones=sum(tax), by(industry ano) if
> region==5 & region==6 & region==7 & region==13
>
> But it didn't work. Please, do you know how can I do this???
>
--
Jeremy Miles
Learning statistics blog: www.jeremymiles.co.uk/learningstats
Psychology Research Methods Wiki: www.researchmethodsinpsychology.com
*
* 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/