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st: Other Box plots


From   "Wallace, John" <John_Wallace@affymetrix.com>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: Other Box plots
Date   Wed, 27 Nov 2002 14:54:24 -0800

I'm still in the early stages of exploring Stata, but I haven't found a way
yet to get box plots to be generated the way I prefer.  The built-in "box"
parameter in the graph command comes close, in that the whiskers encompass
1.5*IQR and further outliers are plotted individually - but you can't use a
by(groupvar) to get an array of related plots.
The hbox addition I found in the STB files allows the by(groupvar)
arrangement, but the whiskers encompass the entire range of data, rather
than a function of the IQR.  This allows true outliers to dominate the graph
in an undesirable way, IMO
Is there a third way out there?  Or am I going to have to learn how to
program ados to get boxplots the way I like them?

Thanks for any assistance

John Wallace

Research Associate
Affymetrix, Inc
Santa Clara, CA



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