jaccardCoefficient {partitionComparison}

Jaccard Coefficient

Description

Compute the Jaccard coefficient

\frac{N_{11}}{N_{11} + N_{10} + N_{01}}

Usage

jaccardCoefficient(p, q)

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

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

Arguments

p

The partition P or an instance of PairCoefficients

q

The partition Q or NULL

Methods (by class)

• jaccardCoefficient(p = Partition, q = Partition): Compute given two partitions

• jaccardCoefficient(p = PairCoefficients, q = missing): Compute given the pair coefficients

Author(s)

Fabian Ball [e-mail]

References

Jaccard P (1908). “Nouvelles Recherches Sur La Distribution Florale.” Bulletin de la Société Vaudoise des Sciences Naturelles, 44(163), 223–270.

Examples

isTRUE(all.equal(jaccardCoefficient(new("Partition", c(0, 0, 0, 1, 1)), 
                                    new("Partition", c(0, 0, 1, 1, 1))), 1/3))