Read document-term matrices stored in special file formats.
Usage
read_dtm_Blei_et_al(file, vocab = NULL)
Arguments
file
a character string with the name of the file to read.
vocab
a character string with the name of a vocabulary file
(giving the terms, one per line), or NULL.
Value
A document-term matrix.
Details
read_dtm_Blei_et_al reads the (List of Lists type sparse
matrix) format employed by the Latent Dirichlet Allocation and
Correlated Topic Model C codes by Blei et al
(http://www.cs.princeton.edu/~blei).