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 at the end of May, and its replacement, statalist.org is already up and running.


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

Re: st: command forvalues with multiple if expressions


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: command forvalues with multiple if expressions
Date   Tue, 3 May 2011 09:15:15 +0100 (BST)

--- Martijn Stouthart
> I have a problem getting the forvalues command working the way I want.
> I have the following problem. I have the following variables:
> cftassets3ysd, industrycode and year. Where industrycode has a range
> from 1-100 and year a range of 1999 to 2009.
> 
> Now I want the following. I want for each industrycode in each year
> the mean of cftassets3ysd belonging to that industrycode in that year.
> Preferably I want all values be generated in one column. I also have
> to note that some observations of  cftassets3ysd have missing values,
> so as a result I want those to be treated in the right way, thus as
> missing values.
> 
> Unfortuneatly I cannot get the forvalues loop working.

This is not a -forvalues- problem. Just type:
bys industrycode year : egen industrysigma = mean(cftassets3ysd)

Hope this helps,
Maarten
 
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany


http://www.maartenbuis.nl
--------------------------

*
*   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