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This function computes the Adjusted Rand Index
ARI(x, y)
vector defining a partition.
vector defining a partition of whose length is equal to the length of x.
numeric
L. Hubert and P. Arabie (1985) Comparing Partitions, Journal of the Classification, 2, pp. 193-218.
# NOT RUN { x <- sample(1:2, 20, replace=TRUE) y <- x y[1:5] <- sample(1:2, 5, replace=TRUE) ARI(x, y) # }
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