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| From | Andrea Molinari <anmolinari@gmail.com> |
| To | statalist <statalist@hsphsun2.harvard.edu> |
| Subject | Re: st: Reshaping dataset |
| Date | Sat, 27 Apr 2013 10:32:45 -0300 |
Hi! Thanks, I think that did the trick! Cheers, Andrea On 26 April 2013 13:41, Christopher Zbrozek <zbrozek@gmail.com> wrote: > Hi Andrea, > > If I'm understanding the problem correctly, the same type of > information is in cadena, cadenacompartida1, and cadenacompartida2 in > a wide format. You want to reshape to a long format where the info > from all three of those variables is in a single variable, cadena, > correct? > > In that case, you could rename the variables to cadena1, cadena2, and > cadena3 and reshape long, and Stata will understand that the values > from all three of those variables should go in a single variable, > cadena, in the long dataset, and your by groups should form correctly. > (The same process would also apply to the subcadena variables, of > course.) > > Hope that helps, > Christopher Zbrozek > University of Michigan > > On Fri, Apr 26, 2013 at 12:24 PM, Andrea Molinari <anmolinari@gmail.com> wrote: >> Dear statalisters, >> >> I´m working with a dataset which groups many dimensions and I´m having >> a little trouble reshaping the data for the (rather basic) >> calculations I need to do. >> >> The dataset has the following columns: >> >> year flow partner value cadena usoecon subcadena cadenacompartida1 >> subcadenacompartida1 cadenacompartida2 subcadenacompartida2 >> >> In order to regroup the data summing "value" by year, flow, cadena >> subcadena and usoecon, I need that: >> >> - the values in cadenacompartida1 and cadenacompartida2 go under those >> in the column "cadena" >> >> - the values in subcadenacompartida1 and "subcadenacompartida2" go >> under those in the column "subcadena" >> >> To do so, I tried several options with -reshape long-, but I don´t >> seem to get the right reshaping to get the data in the way I need to >> then calculate: >> >> bysort year flow cadena subcadena usoecon: egen double svalue=sum(value) >> >> Any ideas of those handling large datasets would be more than welcomed! >> >> Cheers, >> Andrea >> >> -- >> Andrea Molinari, PhD >> Investigadora Asistente >> Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) >> Instituto Interdisciplinario de Economía Política de Buenos Aires (IIEP- BAIRES) >> Córdoba 2122, 2do. piso (http://iiep-baires.econ.uba.ar) >> Tel: +54 11 4374-4448, int. 6362 >> >> * >> * 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/ > > * > * 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/ -- Andrea Molinari, PhD Investigadora Asistente Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) Instituto Interdisciplinario de Economía Política de Buenos Aires (IIEP- BAIRES) Córdoba 2122, 2do. piso (http://iiep-baires.econ.uba.ar) Tel: +54 11 4374-4448, int. 6362 * * 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/