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st: Update to -extfunnel- available from SSC

From   "Crowther, Michael J." <>
To   "" <>
Subject   st: Update to -extfunnel- available from SSC
Date   Thu, 6 Oct 2011 13:12:24 +0100

Thanks once more to Kit Baum an update to the -extfunnel- package is available from SSC. -extfunnel- creates graphical augmentations to the funnel plot to illustrate the potential impact of a new study on a meta-analysis.

To install the update, type

. ssc install extfunnel, replace

Or use the -adoupdate- command.


o Couple of minor bug fixes when missing values were present
o Matrices of effect estimates, standard errors and status codes now returned in r()
o scheme option added allowing grayscale or color choices

Thanks to Rob Herbert and Manuela Ferreira of the George Institute for Global Health for suggestions for improvement and testing of the command.

A draft Stata Journal paper currently under review can be found here:


Michael Crowther
Research Assistant in Medical Statistics
Centre for Biostatistics and Genetic Epidemiology
Department of Health Sciences
University of Leicester
Room 212, Adrian Building
University Road
Leicester LE1 7RH
Tel: 0116 229 7278

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