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| From | Partho Sarkar <partho.ss+lists@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: Selecting a sample to compromise between significant size and geographical dispersion |
| Date | Fri, 16 Sep 2011 13:04:23 +0530 |
Thank you, Steven. The program looks promising at first glance-I will look at it in detail later. For the time being, I think I can put together an iteration method within Stata. I will report back here on this. Regards Partho On Fri, Sep 16, 2011 at 3:17 AM, Steven Samuels <sjsamuels@gmail.com> wrote: > > 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/