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mclust (version 2.1-14)

compareClass: Compare classifications.

Description

Compare classifications via the normalized variation of information criterion.

Usage

compareClass(a, b)

Arguments

a
A numeric or character vector of class labels.
b
A numeric or character vector of class labels. Must have the same length as a.

Value

  • The variation of information criterion (Meila 2002) for a and b divided by the log of the length of the sequences so that it falls in [0,1].

References

Marina Meila (2002). Comparing clusterings. Technical Report no. 418, Department of Statistics, University of Washington. See http://www.stat.washington.edu/www/research/reports.

See Also

mapClass, classError, table

Examples

Run this code
a <- rep(1:3, 3)
a
b <- rep(c("A", "B", "C"), 3)
b
compareClass(a, b)
a <- sample(1:3, 9, replace = TRUE)
a
b <- sample(c("A", "B", "C"), 9, replace = TRUE)
b
compareClass(a, b)

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