pmi: Pointwise Mutual Information

In svs: Tools for Semantic Vector Spaces

Pointwise Mutual Information

Description

A function for computing the pointwise mutual information of every entry in a table.

Usage

pmi(x, normalize = FALSE, base = 2)

PMI(x, normalize = FALSE, base = 2)

Arguments

x	A table or a (sparse) matrix.
normalize	Logical indicating whether to normalize the pointwise mutual information.
base	Numeric specification of the base with respect to which logarithms are computed.

Value

An array with the pointwise mutual information of every entry.

See Also

MI.

Examples

SndT_Fra <- read.table(system.file("extdata", "SndT_Fra.txt", package = "svs"),
   header = TRUE, sep = "\t", quote = "\"", encoding = "UTF-8",
   stringsAsFactors = FALSE)
tab_SndT_Fra <- table(SndT_Fra)
pmi(tab_SndT_Fra)

svs documentation built on June 24, 2024, 5:07 p.m.