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From | Steve Samuels <sjsamuels@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: RE: sqreg VERY slow |
Date | Sun, 22 Aug 2010 14:01:18 -0400 |
Raymond Lim: Running the analysis on all 1.8 million observations at one time might well be unwise or unnecessary, depending on the purpose of your investigation and on what you've learned about the model from prior analyses. Steve Steven Samuels sjsamuels@gmail.com 18 Cantine's Island Saugerties NY 12477 USA Voice: 845-246-0774 Fax: 206-202-4783 On Sun, Aug 22, 2010 at 10:40 AM, Martin Weiss <martin.weiss1@gmx.de> wrote: > > <> > > This example takes 50 seconds per replication. > > *********** > clear* > set mem 1G > set obs 1800000 > d,s > gen x=4*rnormal() > gen x2=runiform()*10 > gen y=2+x+2*x2+rnormal() > sqreg y x?, quantile(.25 .5 .75) reps(10) > *********** > > > There is no guarantee that MP will make your command faster. -bsample-, for > instance, does not profit much, as you can see from page 40 of > http://www.stata.com/statamp/report.pdf > > > HTH > Martin > > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu > [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Lim, Raymond > Sent: Sonntag, 22. August 2010 16:07 > To: statalist@hsphsun2.harvard.edu > Subject: st: sqreg VERY slow > > Hello Statalisters, > I'm running sqreq on 1.8 million observations using Stata-MP. It takes about > a week to run. Are there options that will speed it up? I tried wlister(50) > hoping the first set of iterations would make the second set of iterations > faster, but wlister just made it slower. > > Thanks! > * > * 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/ > * * 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/