Represents a document term matrix as a list.

Dtm2Lexicon(dtm, ...)

Arguments

dtm

A document term matrix (or term co-occurrence matrix) of class dgCMatrix.

...

Other arguments to be passed to TmParallelApply.

Value

Returns a list. Each element of the list represents a row of the input matrix. Each list element contains a numeric vector with as many entries as tokens in the original document. The entries are the column index for that token, minus 1.

Examples

if (FALSE) { # Load pre-formatted data for use data(nih_sample_dtm) result <- Dtm2Lexicon(dtm = nih_sample_dtm, cpus = 2) }