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| From | Nick Cox <njcoxstata@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: FW: forvalues question... |
| Date | Fri, 8 Feb 2013 14:36:27 +0000 |
Yes, that's better than my solution. I got hung up on how to do it with -forvalues-, when a better answer is to do it directly. Nick On Fri, Feb 8, 2013 at 2:27 PM, Scott Merryman <scott.merryman@gmail.com> wrote: > On Fri, Feb 8, 2013 at 8:04 AM, Mahometa, Michael J > <michael.mahometa@ssc.utexas.edu> wrote: >> All, >> >> I've got a dataset that has multiple rows for one year, with several sequential variables. And, I'd like to sum what happens over the year (using something like collapse). I have 20 variables and the data looks like: >> >> Year var1 var2 var3 var4 var5 .... >> 1999 2 5 6 1 4 >> 1999 4 1 5 2 5 >> 1999 1 3 5 6 7 >> 2000 6 5 1 3 8 >> 2000 1 1 2 3 6 >> ... >> >> So the current "brute force" method is: >> collapse (sum) var1_s=var1 var2_s=var2 /// >> var3_s=var3 var4_s=var4, by(year) >> >> But this seems in-elegant. > > How about: > > collapse (sum) var*, by(year) > rename var* =_s * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/