Saturday, March 18, 2006

Re: st: reshaping problem: unique values in other variables

Thank you Ulrich!

At 12:39 AM 3/17/2006, you wrote: >Michael McCulloch wrote: > > I have data with the following structure: > > > > list id rec med afev wheeze cough date agev > > +---------------------------------------------------+ > > > > | id dset rec med afev wheeze cough | > > |---------------------------------------------------| > > | 2 b 1 0 -9 0 0 | > > | 2 b 2 1 -9 0 0 | > > | 2 a 1 1 1.70 0 0 | > > | 2 a 2 0 1.80 0 0 | > > | 6 b 1 1 -9 0 1 | > > | 6 b 2 1 -9 0 0 | > > | 6 a 1 0 2.08 0 1 | > > | 6 a 2 0 1.85 0 0 | > > > > +---------------------------------------------------+ > > > > I wish to reorganize the data so that there is one row for each ID, with > > subsets for dset (a or b) and rec (1 or 2) for each of the variables: med, > > afev, wheeze, cough. > > > > My goal is to have: > > id med(a1) med(b1) med(a2) med(b2) afev(a1) afev(b1) > > afev(a2) afev(b2) > > 2 1 0 0 1 1.70 > > -9 1.80 -9 > > 6 0 1 0 1 2.08 > > -9 1.85 -9 > > > > I have tried using the reshape command but each subset does not have unique > > values of the variables afev, wheeze, and cough. > > I have tried using the collapse command, but I do not want to create > > summary statistics. > > I have tried using the contract command, but I do not want to create > > frequency counts. > > Any assistance would be greatly appreciated. > >Do you mean > >. egen group = group(dset rec) >. reshape wide med afev, i(id) j(group) > >Uli > >-- >kohler@wz-berlin.de >+49 (030) 25491-361 >* >* 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/

Best wishes, Michael

____________________________________

Michael McCulloch Pine Street Clinic 124 Pine Street, San Anselmo, CA 94960-2674 tel 415.407.1357 fax 415.485.1065 email: mm@pinest.org web: www.pinest.org www.pinestreetfoundation.org

* * 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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