audubon 0.5.2

• Corrected probabilistic IDF calculation by global_idf3.
• Refactored bind_tf_idf2.
  • Changed behavior when norm=TRUE. Cosine nomalization is now performed on tf_idf values as in the RMeCab package.
  • Added tf="itf" and idf="df" options.
• Refactored pack for performance.

audubon 0.5.1

• Refactored tokenize_mecab and tokenize_sudachipy.

audubon 0.5.0

• Added bind_lr function which can calculate the ‘LR’ value of bigrams.
• pack now always returns a tibble, not a data.frame.

audubon 0.4.0

• Added some new functions.
  • bind_tf_idf2 can calculate and bind the term frequency, inverse document frequency, and tf-idf of the tidy text dataset.
  • collapse_tokens, mute_tokens, and lexical_density can be used for handling a tidy text dataset of tokens.
• strj_tokenize now preserves the original order of text names.
• prettify now can get delim argument.

audubon 0.3.0

• Updated strj_fill_iter_mark function.
  • strj_fill_iter_mark now replaces a sequence of iteration marks recursively.
• Updated strj_tokenize function.
  • strj_tokenize now can retrieve engine argument to switch tokenizers for splitting text into tokens.

audubon 0.2.0

• Updated ngram_tokenizer function.
• Added a wrapper function of the ‘TinySegmenter’ written by Taku Kudo.

audubon 0.1.2

• Updated pack function.
  • Switched arguments order of pack function. pack now accepts pull as its second argument and n as its third argument.
  • pull now can accept a symbol.

audubon 0.1.1

• Updated documentation.

audubon 0.1.0

• Relicensed as Apache License, Version 2.0.
• Added a NEWS.md file to track changes to the package.