Frank,
the example on http://biostat.mc.vanderbilt.edu/DynamitePlots is
nice, and I agree with you. Just one minor question: would it be
possible to mention as "An article with nice dot plots" a paper,
which is freely available?
Heinz
At 14:56 03.12.2009, Frank E Harrell Jr wrote:
Bar charts with error bars are far inferior to dot charts and other
types of displays. One of many problems is demonstrated if you draw
a bar chart displaying temperature in F then re-draw it on the
degrees C scale. See http://biostat.mc.vanderbilt.edu/DynamitePlots
for much more information. The error bars lull us into an
assumption that symmetric confidence intervals are OK, among other things.
Frank
--
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University
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