Cleans the DFM based on specified term minimums
clean_dfm(corp, minimum_term_frequency, min_terms)
| corp | A corpus object as created by |
|---|---|
| minimum_term_frequency | Minimum number of occurances for a term to be used |
| min_terms | Minimum number of terms for document to be used |
Removes terms and documents that don't meet term and doc minimums