removeSparseTerms: Remove Sparse Terms from a Term-Document Matrix
Remove sparse terms from a document-term or term-document matrix.
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
A DocumentTermMatrix or a
A numeric for the maximal allowed sparsity in the range from
bigger zero to smaller one.