create_dtm: Create a Document-to-Term Matrix
In NicolasJBM/lexR: Toolbox to manipulate and analyze texts

Transform bags of words into a document to term matrix after applying some filters.

create_dtm(
  bow,
  min_term = 0,
  max_term = Inf,
  min_doc = 0,
  max_doc = Inf,
  nbterm = 1000,
  keep_terms = NULL,
  docvar = NULL
)

`bow`	Tibble. Output of the function eval_bow. Document ids must be in a variable called "document".
`min_term`	Integer. Remove terms appearing less than this number of times.
`max_term`	Integer. Remove terms appearing more than this number of times.
`min_doc`	Integer, Remove terms appearing in less than this number of documents.
`max_doc`	Integer, Remove terms appearing in more than this number of documents.
`nbterm`	Integer. Select this number of terms based on tf-idf.
`keep_terms`	Character vector. List of words which should be included even if they do not meet the other criteria.
`docvar`	Tibble. Additional information about documents to be appended to the docvar of the dtm. Document ids must be in a variable called "document".