czekanowski {partitionComparison}

Czekanowski Index

Description

Compute the Czekanowski index

\frac{2N_{11}}{2N_{11} + N_{10} + N_{01}}

Usage

czekanowski(p, q)

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

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

Arguments

p

The partition P or an instance of PairCoefficients

q

The partition Q or NULL

Methods (by class)

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

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

Author(s)

Fabian Ball [e-mail]

References

Czekanowski J (1932). “Coefficient of Racial Likeness" Und ,,Durchschnittliche Differenz".” Anthropologischer Anzeiger, 9(3/4), 227–249.

Examples

isTRUE(all.equal(czekanowski(new("Partition", c(0, 0, 0, 1, 1)), 
                             new("Partition", c(0, 0, 1, 1, 1))), 0.5))