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From | Jorge Eduardo Pérez Pérez <perez.jorge@ur.edu.co> |
To | "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu> |
Subject | Re: st: Importing a variable from another STATA file and an "xtregar" question |
Date | Tue, 7 Jun 2011 11:19:17 -0400 |
1. Use -merge- to bring back the variable, using the "panel" and "time" identifiers. In version 11: * Large and small dataset webuse nlswork, clear save large.dta, replace keep idcode year age save small.dta, replace * Bring back race from large merge 1:1 idcode year using large.dta, keepusing(race) 2. Use -_pctile_ and -if- _pctile totalassets, nq(100) gen in=(totalassets>=r(r95)) xtregar capexppenet salesppenet if in, re rhotype(theil) twostep _______________________ Jorge Eduardo Pérez Pérez On Tue, Jun 7, 2011 at 10:45 AM, Jason Hecht <jhecht58@gmail.com> wrote: > Any help with the following questions would be greatly appreciated: > > 1. I created a smaller panel STATA datafile from a larger panel > datafile by discarding unneeded variables. I now want to bring in a > single variable from the larger datafile into the smaller panel > datafile. Is there an easy way to do this. > > > 2. I am running the following model: > > xtregar capexppenet salesppenet if totalassets>1000, re rhotype(theil) twostep > > However, instead of using "totalassets>1000," I now want to run the > model on the upper 5% of the distribution of total assets. > > Is there an easy way to do this in the above model estimation code? > > > Thanks so much. > > Jason Hecht > * > * 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/