randIndex {partitionComparison}R Documentation

Rand Index

Description

Compute the Rand index

N11+N00N\frac{N_{11} + N_{00}}{N}

Usage

randIndex(p, q)

## S4 method for signature 'Partition,Partition'
randIndex(p, q)

## S4 method for signature 'PairCoefficients,missing'
randIndex(p, q = NULL)

Arguments

p

The partition PP or an instance of PairCoefficients

q

The partition QQ or NULL

Methods (by class)

Author(s)

Fabian Ball fabian.ball@kit.edu

References

Rand WM (1971). “Objective Criteria for the Evaluation of Clustering Algorithms.” Journal of the American Statistical Association, 66(336), 846–850.

Examples

isTRUE(all.equal(randIndex(new("Partition", c(0, 0, 0, 1, 1)),
                           new("Partition", c(0, 0, 1, 1, 1))), 0.6))


[Package partitionComparison version 0.2.6 Index]