Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down on April 23, and its replacement, statalist.org is already up and running.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: AW: "vertical filter and sum of data"


From   Maximiliano Manuel Silva Correa <maxsilvacorrea@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: AW: "vertical filter and sum of data"
Date   Wed, 14 Jul 2010 12:32:04 -0400

Thanks a lot Martin.

2010/7/13 Martin Weiss <martin.weiss1@gmx.de>:
>
> <>
>
>
> Maximiliano may also want to take a look at NJC`s seminal
> http://www.stata-journal.com/sjpdf.html?articlenum=pr0004
>
>
>
> HTH
> Martin
>
>
> -----Ursprüngliche Nachricht-----
> Von: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Maximiliano
> Manuel Silva Correa
> Gesendet: Dienstag, 13. Juli 2010 16:53
> An: statalist@hsphsun2.harvard.edu
> Betreff: st: "vertical filter and sum of data"
>
> Dear Stata Community,
>
> Id like to sum vertically some entries of my data but i dont know how.
> Could you please tell me the sintax and structure of how to do this?
>
> Suppose we have a several power transmission lines with several
> substations in between, all over the US, indexed from 1 to Ni,
> corresponding to a certain line Li. Each substation has a power
> consumption (suppose one line per state). Additionaly we have a time
> variable MONTH.
>
> The structure of the data is
>
> LINE S_INDEX MONTH POWER
>
> Fixing LINE, MONTH, id like to sum POWER all over (S_INDEX) the line.
>
> Any help will be greatly appreciated. Thank you in advance :) .
>
> Max
> *
> *   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/


© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index