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From | Steven Samuels <sjsamuels@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: Selecting a sample to compromise between significant size and geographical dispersion |
Date | Thu, 15 Sep 2011 17:47:38 -0400 |
Partho- The "stratification" package in R might meet your needs. Steve On Sep 15, 2011, at 4:42 AM, Partho Sarkar wrote: To clarify further, this is not really a case of defining a population by the size of units. What I am trying to do is to get a country level price-index as an alternative to the official index (which is also obtained from a sample of markets across the country, selected with similar considerations). The only reason to impose a cut-off is that I have found (as one might expect) that including EVERY market reporting a price at every date results in an index which is much more volatile compared to the official index. Partho * * 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/