russelRao {partitionComparison}

Russel & Rao Index

Description

Compute the index of Russel and Rao

\frac{N_{11}}{N}

Usage

russelRao(p, q)

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

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

Arguments

p

The partition P or an instance of PairCoefficients

q

The partition Q or NULL

Methods (by class)

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

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

Author(s)

Fabian Ball [e-mail]

References

Russel PF, Rao TR (1940). “On Habitat and Association of Species of Anopheline Larvae in South-Eastern Madras.” Journal of the Malaria Institute of India, 3(1), 153–178.

Examples

isTRUE(all.equal(russelRao(new("Partition", c(0, 0, 0, 1, 1)), 
                           new("Partition", c(0, 0, 1, 1, 1))), 0.2))