[R] Impaired boxplot functionality - mean instead of median
Frank E Harrell Jr
f.harrell at vanderbilt.edu
Fri Dec 2 11:01:15 CET 2005
Evgeniy Kachalin wrote:
> Frank E Harrell Jr ЃпЃиЃшЃеЃт:
>> Evgeniy Kachalin wrote:
>>> Marc Schwartz (via MN) ЃпЃиЃшЃеЃт:
>>>>> Marc Schwartz (via MN) ЃпЃиЃшЃеЃт:
>> bwplot(...., panel=panel.bpplot)
>> By default, panel.bpplot shows the mean (dot) and median (line) plus
>> several quantiles. To bother Martin in a friendly way, I think that
>> means can be useful additions - not that they are so useful by
>> themselves, but that when they differ a lot from the median,
>> non-statisticians gain further information about asymmetry. Also,
>> even though the simple box plot is elegant, I sometimes think it has a
>> high ink to information ratio. I have gained a lot from seeing outer
>> quantiles on the plot, and I don't like to show outer points for fear
>> of someone labeling them outliers. For describing raw data
>> distributions, I never find standard deviations useful, however.
> => fa
> doz fabp2
> 1 900 2
> 4 1500 2
> 6 1000 2
> 8 750 3
> 10 750 1
> 11 1750 2
> 12 500 3
> > bwplot(doz~factor(fabp2),data=fa,panel=panel.bpplot)
> Error in sort(x, partial = unique(c(lo, hi))) :
> unsupported options for partial sorting
> That's NOT simple way.
> I need just one change.
> Is there any good way?
No, not without reading the documentation to bwplot.
Frank E Harrell Jr Professor and Chair School of Medicine
Department of Biostatistics Vanderbilt University
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