[R] boxplot

Paul Murrell p.murrell at auckland.ac.nz
Wed Aug 2 04:10:16 CEST 2006


Ana Patricia Martins wrote:
> Hello R-users and developers,
> Once again, I'm asking for your help.
> I've used "identify" to identify points in a scatter plot. However, I can't
> apple in the boxplot.....
> I need to identify the outlier's id in the boxplot. Can anyone help me?

The box for the i'th group is at x-location 'i' so ...

boxplot(count ~ spray, data = InsectSprays, col = "lightgray")
with(InsectSprays, identify(unclass(spray), count))

Dr Paul Murrell
Department of Statistics
The University of Auckland
Private Bag 92019
New Zealand
64 9 3737599 x85392
paul at stat.auckland.ac.nz

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