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From | Steve Samuels <sjsamuels@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: "bsample" and "set seed" together do not work! |
Date | Fri, 17 Sep 2010 09:22:20 -0400 |
Actually, by setting the seed in the loop, you ensure that the same sample will be drawn every time. I doubt if this is what you intended.. Set the seed at the beginning the program outside the loop. On Fri, Sep 17, 2010 at 9:15 AM, Steve Samuels <sjsamuels@gmail.com> wrote: > Your program works for me, if I eliminate the "start" line. > > The FAQ ask that you show us what you typed exactly and what Stata > said. . If you don't show us the results, we can't tell what your > mistake is. > > Steve > > On Fri, Sep 17, 2010 at 8:04 AM, Daniele Pacifico > <danielepacifico@yahoo.it> wrote: >> Dear Stata users, >> >> I am working with the command "bsample" and I discovered that the command "set >> seed #" stops "bsample" from drawing different samples from my data.. Here is an >> example: >> >> ___start example___ >> clear all >> set obs 1000 >> drawnorm x >> local r=6 >> >> forvalues i=1/`r'{ >> preserve >> bsample >> su x >> set seed 1234567890 >> restore >> } >> >> >> ___end example___ >> >> I had this problem because I am writing an ado file that sets a seed when it >> runs.. However, I discovered that the seed I define within my ado file >> >> creates the problem I have shown you above (i.e. I cannot use bsample with the >> command defined in my ado file).. Do you have any advise about it? How can I >> "unset" the seed so as to allow it to vary randomly again with bsample? >> >> Thanks in advance for any help. >> >> Best, >> Daniele >> >> >> >> >> >> * >> * 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/