clujaccard {fpc}R Documentation

Jaccard similarity between logical vectors

Description

Jaccard similarity between logical or 0-1 vectors: sum(c1 & c2)/sum(c1 | c2).

Usage

clujaccard(c1,c2,zerobyzero=NA)

Arguments

c1 logical or 0-1-vector.
c2 logical or 0-1-vector (same length).
zerobyzero result if sum(c1 | c2)=0.

Value

Numeric between 0 and 1.

Author(s)

Christian Hennig chrish@stats.ucl.ac.uk http://www.homepages.ucl.ac.uk/~ucakche/

Examples

  c1 <- rep(TRUE,10)
  c2 <- c(FALSE,rep(TRUE,9))
  clujaccard(c1,c2)

[Package fpc version 1.2-3 Index]