[R] medcouple-based outlier detection in R

[David Winsemius]

On Sep 12, 2009, at 3:54 PM, Manuj Sharma wrote:

> I need to detect outliers in a large data set which is highly right- 
> skewed. I plan to use medcouple-based outlier detection. Is there  
> any support for medcouple-based outlier detection in R?

library(sos)  # a package that links to Baron's r-search
???medcouple

7 hits in 2 different packages (robustbase and LambertW)
So I would guess that the answer is "yes".

> Are there any other routines in R to perform outlier detection in  
> highly right-skewed data?

Yes. Suggest you look over the Robust Statistics Task View.

>
> Manuj Sharma
>
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT