| as.data.frame.vectormodel | VectorModel: the word embedding vector set |
| ldaCorpus | create a corpus for LDA modelling |
| word2vec | word2vec embedding |
| segmentation | split the given text into multiple parts |
| split_to_sentences | |
| bigram | |
| count | count tokens distribution |
| TF_IDF | |
| stemmer_normalize | |
| article |