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st: package -funnelcompar- available on ssc

From   Rosa Gini <>
To, silvia forni <>
Subject   st: package -funnelcompar- available on ssc
Date   Fri, 18 Sep 2009 10:57:02 +0200

dear stata users,

thanks to kit baum, a new package called -funnelcompar- is available from SSC. the package was presented last week at the United Kingdom Stata Users' Group Meetings 2009

-funnelcompar- supports the use of funnel plots for institutional comparison, as suggested by david spiegelhalter. a scatter plot of an indicator values is plotted against a measure of their precision, tipically the sample size, together with a target line and control limits (contours), that narrow as the sample size gets bigger. the plot graphically tests whether each value of the indicator is extracted from a target distribution specified by the options.

-funnelcompar- is basically a Stata 8.2 package, even though the -exact- option requires Stata 10.0

finally, it might be appreciated by statalisters that the package was born from a statalist exchange last march

thanks to neil shephard's interest!

         rosa and silvia

Rosa Gini
Dottore di Ricerca in Matematica
Osservatorio di Epidemiologia
Agenzia Regionale di Sanita' della Toscana
Viale Giovanni Milton, 7
50129 Firenze
Tel +39 055 4624341
Fax +39 055 4624345
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