RandIndex: Rand Index between partitions

In FreeSortR: Free Sorting Data Analysis

Description

Computes the Rand Index and the Adjusted Rand Index between two partitions

Usage

RandIndex(Partition1, Partition2)

Arguments

Partition1	Vector describing the first partition
Partition2	Vector describing the second partition

Details

Supports incomplete partitions (value 0 is coding for missing stimulus)

Value

List of following components:

Rand	Rand Index between the partitions
AdjustedRand	Adjusted rand Index between the partitions

References

Rand (1971) Jasa, 66, 846-850

Hubert & Arabie (1985) J. of Classification, 2, 193-218

Examples

  Partition1<-c(1,1,1,2,2,2)
  Partition2<-c(1,1,2,2,2,3)
  r<-RandIndex(Partition1,Partition2)
  r
  # $Rand
  # [1] 0.6
  # $AdjustedRand
  # [1] 0.1176471

FreeSortR documentation built on May 2, 2019, 2:47 p.m.