Ben Bolker wrote:
Martin Maechler <maechler <at> stat.math.ethz.ch> writes:

"FEH" == Frank E Harrell <f.harrell <at> vanderbilt.edu>
    on Sat, 06 Sep 2008 07:19:33 -0500 writes:
FEH> See http://biostat.mc.vanderbilt.edu/DynamitePlots for many reasons not FEH> to use dynamite plots.

Ah! Very good! Let's hope this eventually leads to progress i.e., to much less use of these..

Thank you, Frank!
Martin Maechler, ETH Zurich

FEH> --

  Yes, but:

http://emdbolker.wikidot.com/blog:dynamite

(repeats Frank's criticisms, but also raises
the point that boxplots show the range of the
data, but not much about the statistical inferences
on the data ...)

  comments welcome.

  Ben Bolker

Hi Ben,

I enjoyed the blog.

Depending on the sample size I prefer extended box plots (e.g., ?panel.bpplot in the Hmisc package) with raw data superimposed. The 3-number summary from the box plot does not contain enough information when the sample size is moderate or large IMHO. But for small samples, raw data points supplemented by the 3 quartiles and the mean work well.

Frank

--
Frank E Harrell Jr   Professor and Chair           School of Medicine
                     Department of Biostatistics   Vanderbilt University

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