On Thu, Jan 28, 2010 at 6:25 AM, GL <pfl...@shands.ufl.edu> wrote:
>
> I have beautiful box and whisker charts formatted with lattice, which is
> obviously calculating summary statistics internally in order to draw the
> charts. Is there a way to dump the associated summary tables that are being
> used to generate the charts? Realize I could use tapply or such to get
> something similar, but I have all the groupings and such already configured
> to generate the charts. Simply want to dump those values to a table so that
> I don't have to interpolate where the 75th percentile is on a visual chart.
> Appreciate any thoughts..
You can customize the function that computes the summary statistics,
and that seems like the only reasonable entry-point for you. A simple
example:
bwplot(voice.part ~ height, data = singer,
stats = function(...) {
ans <- boxplot.stats(...)
str(ans)
ans
})
You will need to figure out how you will "dump" the parts you want.
-Deepayan
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