VBmix (version 0.2.8)

getCouple: getCouple

Description

computes classification error function described in references, a.k.a couple error. In brief, evaluates how elements are gathered similarly, irrespectively of exact label values (adapted to clustering).

Usage

getCouple(vec1, vec2)

Arguments

vec1

vector of numeric labels.

vec2

vector of numeric labels.

Value

• classification error in [0,1].

References

Fowlkes, E. B. and Mallows, C. L. (1983) _A method for comparing two hierarchical clusterings_, J. Am. Stat. Assoc., Volume 78, Pages 553-569.

Picarougne, F. ,Azzag, H., Venturini, G. and Guinot, C. (2007) _A new approach of data clustering using a flock of agents_, Evolutionary Computation, Volume 15, Number 3, Pages 345-367.

Examples

temp <- classicEM(irisdata, 4)
getCouple(temp$labels, irislabels)
#[1] 0.1524832