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st: Label for grouped plots


From   "Allan Reese AFH CEFAS" <r.a.reese@cefas.co.uk>
To   "'Statalist (E-mail)" <statalist@hsphsun2.harvard.edu>
Subject   st: Label for grouped plots
Date   Wed, 27 Apr 2005 16:08:29 +0100

A common requirement for publication is to show sample sizes on graphs.  Here is an approach that might be adaptable to various types of graphs.  Groupvar in the following is a string contained the group labels.

egen samplen = count(plotvar), by(groupvar)
gen labwithn = groupvar + " (" + string(samplen) + ")"
graph hbox plotvar, over(labwithn)t2("(sample size in brackets)")

With the added ability to exclude small samples, sort on sample size etc:
graph hbox plotvar if(samplen>10), over(labwithn)


Allan


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