Convert a list of sequences into a matrix.
sequences_to_matrix(tokenizer, sequences, mode = c("binary", "count", "tfidf",
  "freq"))Tokenizer
List of sequences (a sequence is a list of integer word indices).
one of "binary", "count", "tfidf", "freq".
A matrix
Other text tokenization: fit_text_tokenizer,
  text_tokenizer,
  texts_to_matrix,
  texts_to_sequences_generator,
  texts_to_sequences