WeightFunction
From tm v0.6-2
by Ingo Feinerer
Weighting Function
Construct a weighting function for term-document matrices.
Usage
WeightFunction(x, name, acronym)Arguments
- x
- A function which takes a
TermDocumentMatrixwith term frequencies as input, weights the elements, and returns the weighted matrix. - name
- A character naming the weighting function.
- acronym
- A character giving an acronym for the name of the weighting function.
Value
-
An object of class
WeightFunction which extends the class
function representing a weighting function.
Examples
weightCutBin <- WeightFunction(function(m, cutoff) m > cutoff,
"binary with cutoff", "bincut")
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