st: -svysampsi- now available on SSC

["Ariel Linden. DrPH" <ariel.linden@gmail.com>]

Thanks to Kit Baum, a new package -svysampsi- is available for download from
SSC (ssc describe svysampsi)

-svysampsi- is an immediate command that estimates the finite population
corrected sample size for a simple random survey in which the primary
variable under study is dichotomous. There are many situations in which the
primary variable being measured in a survey is dichotomous or binary, and
thus aggregates to a proportion (e.g., the proportion of smokers in a
population, the proportion of voters that view a candidate favorably, etc.).

The user inputs the following: population size, the proportion of the
population expected to respond positively (negatively) to the question, the
margin of error (sampling error), the confidence level, and optionally, the
expected response rate. -svysampsi- can be modified to accommodate more
complex survey designs.

Stata 11.0 is required.

I hope this program will prove helpful

Ariel




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