Thursday, March 16, 2006

st: new SSC package -distrate-

Dear Stata Users,

thanks to Kit Baum, a new package called -distrate- is available from the SSC Archive.

To install the package, type

.ssc install distrate

-distrate- estimates directly standardized rates and confidence intervals based on the gamma distribution as proposed by Fay and Feuer. This method produces valid confidence intervals even when the number of cases is very small. So it is usually recommended. Optionally Dobson et al. confidence intervals are also displayed.

Data must be in aggregate form, i.e. each record must contain the total number of deaths (or events) and population for each age stratum.

The results are returned in matrices and can be saved in a file.

The help file is provided by an example from the web site of The Public Health Disparities Geocoding Project Monograph

Hope could be useful.


^^^^^^^^^^^^^^^^ Enzo Coviello Unita' di Statistica ed Epidemiologia ASL BAT/1 via Fornaci 201 - ANDRIA (BA) Italy tel +39 0883 299704 fax +39 0883 299417 tel (home) +39 0883 695055 mobile 347 5016016

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