wfm2bmr: Transform Word Frequency Matrix for BMR/BLR

Description Usage Arguments Details Value Author(s) See Also

View source: R/wfm.R

Description

Transforms a wfm to the format used by BMR/BLR

Usage

1
wfm2bmr(y, wfm, filename)

Arguments

y

integer dependent variable, may be NULL

wfm

a word frequency matrix

filename

Name of the file to save data to

Details

BMR is sparse matrix format similar to that used by SVMlight

Each line contains an optional dependent variable index and a sequence of indexes and feature value pairs divided by colons. Indexes refer to the words with non-zero counts in the original matrix, and the feature values are the counts.

Value

A file containing the variables in in sparse matrix format.

Author(s)

Will Lowe

See Also

wfm


austin documentation built on May 31, 2017, 3:59 a.m.