randIndex {partitionComparison} | R Documentation |
Rand Index
Description
Compute the Rand index
\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 |
q |
The partition |
Methods (by class)
-
randIndex(p = Partition, q = Partition)
: Compute given two partitions -
randIndex(p = PairCoefficients, q = missing)
: Compute given the pair coefficients
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]