# transform_filter_commons

0th

Percentile

##### Remove terms from a document-term matrix

This function removes very common and very uncommon words from a document-term matrix.

##### Usage
transform_filter_commons(dtm, term_freq = c(uncommon = 0.001, common = 0.975))
##### Arguments
dtm
a document-term matrix of class dgCMatrix or dgTMatrix.
term_freq
numeric vector of 2 values in between 0 and 1. The first element corresponds to frequency of uncommon words; the second element corresponds to the frequency of common words. Terms which are observed less than first value or frequency or more than second will be filtered out.