Function reference • textanalysis

Setup initialisation functions.
`init_textanalysis()` `init_stringanalysis()` `switch_backend()` `install_textanalysis()` `install_stringanalysis()`	Initialise Session
Objects Create documents and corpora.
`file_document()` `string_document()` `token_document()` `ngram_document()`	Document
`remove_case()`	Remove Upper case
`remove_corrupt_utf8()`	Remove Corrupt UTF8
`remove_words()`	Remove Specific Words
`corpus()` `directory_corpus()`	Corpus
`to_documents()`	Create Multiple Documents
`standardize()`	Standardize
`inverse_index()` `update_inverse_index()` `inverse_index()`	Inverse Index
`lexicon()` `update_lexicon()`	Lexicon
Metadata Get metadata on documents and corpora.
`title_()` `language_()` `author_()` `timestamp_()`	Document Metadata
`titles_()` `languages_()` `authors_()` `timestamps_()`	Corpus Metadata
`get_ngrams()`	Extract NGrams
`get_text()`	Extract Text
`get_tokens()`	Extract Tokens
Preprocessing Clean documents and corpora.
`prepare()`	Preprocess Document
`strip_articles()`	Strip Articles
`strip_definite_articles()`	Strip Definite Articles
`strip_frequent_terms()`	Strip Frequent Terms
`strip_html_tags()`	Strip HTML Tags
`strip_indefinite_articles()`	Strip Indefinite Articles
`strip_non_letters()`	Strip Stopwords
`strip_numbers()`	Strip Numbers
`strip_preprositions()`	Strip Preprositions
`strip_pronouns()`	Strip Pronouns
`strip_punctuation()`	Strip Punctuation
`strip_sparse_terms()` `strip_sparse_terms()`	Strip Sparse Terms
`strip_stopwords()`	Strip Stopwords
`stem_words()`	Stem
Term Frequency Term frequency-related function.
`tf()`	Term Frequency
`tf_idf()`	Term Frequency Inverse Document Freqency
`bm_25()`	Okapi BM-25
`document_term_matrix()`	DocumentTermMatrix
`document_term_vector()`	Document Term Vector
`dtm_matrix()`	Sparse Matrix
Features Models and text metrics.
`coom()`	Co-occurrence Matrix
`create_hash_function()` `hash()`	Hash Trick
`init_naive_classifer()`	Naive Bayes Classifier
`lda()`	Latent Dirichlet Analysis
`lsa()`	Latent Semantic Analysis
`lexical_frequency()`	Lexical Frequency
`lexicon_size()`	Lexicon Size
`ngram_complexity()`	Determine NGram Complexity
`sentiment()`	Sentiment Analyzer
`summarizer()`	Summarize
`train_naive_classifier()`	Train Naive Bayes Classifier
`predict_class()`	Predict Class
Misclellaneous Utility function.
`corpus_to_tibble()`	Convert Corpus
`set_seed()`	Set Seed in Julia

Reference

Setup

Objects

Metadata

Preprocessing

Term Frequency

Features

Misclellaneous

Contents