Use which().
which(x==boxplot(x,range=1)$out)
On Wed, 20 Sep 2000, Will Critchlow wrote:
> I am just starting to learn R and am finding it to be very powerful.
>
> I want to be able to analyse large vectors of data using boxplot to find
> outliers in the following way:
>
> boxplot(x, range=1)$out
>
> This works fine, returning the values which lie outside the whisker but I
> then want to know at what point in the vector, x the outliers lie (in other
> words, I want to find the index of the vector).
>
> Is there an easy way to do this? Either by using a different option in
> boxplot or by searching x for those specific values afterwards.
>
> Thanks
>
> Will
>
>
>
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