randfun {HDLSSkST}

Rand Index

Description

Measures to compare the dissimilarity of exact cluster labels (memberships) and estimated cluster labels (memberships) of the observations.

Usage

randfun(lvel, dv)

Arguments

lvel

exact cluster labels of the observations

dv

estimated cluster labels of the observations

Value

a single value between 0 and 1

Author(s)

Biplab Paul, Shyamal K. De and Anil K. Ghosh

Maintainer: Biplab Paul<[e-mail]>

References

William M Rand (1971). Objective criteria for the evaluation of clustering methods, Journal of the American Statistical association, 66(336):846-850, doi:10.1080/01621459.1971.10482356.

Examples

   # Measures of dissimilarity:
   exl <- c(rep(0,5), rep(1,5), rep(2,5), rep(3,5))
   el <- c(0,0,1,0,0,1,2,1,0,1,2,2,3,2,2,3,2,3,1,3)
   randfun(exl,el)

   ## outputs:
   #[1] 0.2368421