medcouple

English edit

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medcouple

Etymology edit

From med (“median”) +‎ couple, as the median of a kernel function over pairs ("couples") of data points. The original paper also introduced a similar concept medtriple that has not seen wide use.^[1]

Noun edit

medcouple (plural medcouples)

(statistics) A scaled median difference between the two halves of a distribution.

References edit

^ G. Brys, M. Hubert, A. Struyf (2003) “A Comparison of Some New Measures of Skewness”, in R. Dutter et al., editors, Developments in Robust Statistics, Heidelberg: Physica, →DOI, pages 98–113: “Instead of taking the median overall couples or triples of data points, we can also use a repeated median.”

[1] G. Brys, M. Hubert, A. Struyf (2003) “A Comparison of Some New Measures of Skewness”, in R. Dutter et al., editors, Developments in Robust Statistics, Heidelberg: Physica, →DOI, pages 98–113: “Instead of taking the median overall couples or triples of data points, we can also use a repeated median.”

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