on 04/06/2003 4:35 pm, Ernest Berkhout at [email protected] wrote:
> Hi Statalisters,
>
> is it possible to create a boxplot in which not only the median is plotted,
> but also the mean? It appears to me that momentarily this option is not
> available, am i overlooking something? More experienced users could create
> such a graph with twoway-overlaying a rcap, a rbar and two scatters but of
> course it would be more elegant to have it as an option in <graph boxplot>
> imho...
Plotting the mean and the median is a little confusing unless you give them
distinct representations. JMP has a neat trick of superimposing the mean and
its confidence interval, plotted as a diamond, on the boxplot. It also draws
lines inside the diamond for comparison of means, but these are approximate
(same goes for simultaneous confidence intervals for the median, available
only, I think, in Data Desk).
Ronan M Conroy ([email protected])
Lecturer in Biostatistics
Royal College of Surgeons
Dublin 2, Ireland
+353 1 402 2431 (fax 2764)
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