ulamG: Ulam's distance for any Number of Ties
In lucyov26/RankMetric: Calculates the Distance between Rankings for different Metrics

Computes Ulam's distance between two rankings, where any number of items with equal rankings are now permitted in each ranking.

1	ulamG(x, y)

x, y

integer vectors

Returns Ulam's distance between the two rankings.

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2
3

a = c(3,1,2,2,3)
b = c(1,2,3,4,4)
ulamG(a,b)

lucyov26/RankMetric documentation built on May 6, 2019, 9:09 a.m.

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