Dtm2Lexicon: Turn a document term matrix into a list for LDA Gibbs sampling
Description
Represents a document term matrix as a list.
Usage
Dtm2Lexicon(dtm, ...)
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.
Arguments
dtm
A document term matrix (or term co-occurrence matrix) of class
dgCMatrix.