removeSparseTerms: Remove Sparse Terms from a Term-Document Matrix

Description

Remove sparse terms from a document-term or term-document matrix.

Usage

removeSparseTerms(x, sparse)

Value

A term-document matrix where those terms from x are
removed which have at least a sparse percentage of empty (i.e.,
terms occurring 0 times in a document) elements. I.e., the resulting
matrix contains only terms with a sparse factor of less than

sparse.

Arguments

x

A DocumentTermMatrix or a
TermDocumentMatrix.

sparse

A numeric for the maximal allowed sparsity in the range from
bigger zero to smaller one.