pmi: Pointwise Mutual Information
In svs: Tools for Semantic Vector Spaces

Description Usage Arguments Value See Also Examples

View source: R/svs.r

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

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

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

`x`	A table (i.e. an object which can be converted to an array).
`normalize`	Logical indicating whether to normalize the pointwise mutual information.
`base`	Numeric specification of the base with respect to which logarithms are computed.

An array with the pointwise mutual information of every entry.

MI.

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