NEWS.md

In textrecipes: Extra 'Recipes' for Text Processing

textrecipes 1.0.6

• textfeatures has been removed from Suggests. (#255)

• step_textfeatures() no longer returns a politeness feature. (#254)

textrecipes 1.0.5

• step_untokenize() and step_normalization() now returns factors instead of strings. (#247)

textrecipes 1.0.4

Improvements

• step_clean_names() now throw an informative error if needed non-standard role columns are missing during bake(). (#235)

• The keep_original_cols argument has been added to step_tokenmerge. This change should mean that every step that produces new columns has the keep_original_cols argument. (#242)

• Many internal changes to improve consistency and slight speed increases.

Bug Fixes

• Fixed bug where step_dummy_hash() and step_texthash() would add new columns before old columns. (#235)

• Fixed bug where vocabulary_size wasn't tunable in step_tokenize_bpe(). (#239)

textrecipes 1.0.3

Improvements

• Steps with tunable arguments now have those arguments listed in the documentation.

• All steps that add new columns will now informatively error if name collision occurs.

Bug Fixes

• Fixed bug where step_tf() wasn't tunable for weight argument.

textrecipes 1.0.2

• Setting token = "tweets" in step_tokenize() have been deprecated due to tokenizers::tokenize_tweets() being deprecated. (#209)

• step_sequence_onehot(), step_dummy_hash(), step_dummy_texthash() now return integers. step_tf() returns integer when weight_scheme is "binary" or "raw count".

• All steps now have required_pkgs() methods.

textrecipes 1.0.1

• Examples no longer include if (require(...)) code.

textrecipes 1.0.0

• Indicate which steps support case weights (none), to align documentation with other packages.

textrecipes 0.5.2

• Remove use of okc_text in vignette

• Fix bug in printing of tokenlists

textrecipes 0.5.1

• step_tfidf() now correctly saves the idf values and applies them to the testing data set.

• tidy.step_tfidf() now returns calculated IDF weights.

textrecipes 0.5.0

New steps

• step_dummy_hash() generates binary indicators (possibly signed) from simple factor or character vectors.

• step_tokenize() has gotten a couple of cousin functions step_tokenize_bpe(), step_tokenize_sentencepiece() and step_tokenize_wordpiece() which wraps {tokenizers.bpe}, {sentencepiece} and {wordpiece} respectively (#147).

Improvements and Other Changes

• Added all_tokenized() and all_tokenized_predictors() to more easily select tokenized columns (#132).

• Use show_tokens() to more easily debug a recipe involving tokenization.

• Reorganize documentation for all recipe step tidy methods (#126).

• Steps now have a dedicated subsection detailing what happens when tidy() is applied. (#163)

• All recipe steps now officially support empty selections to be more aligned with dplyr and other packages that use tidyselect (#141).

• step_ngram() has been given a speed increase to put it in line with other packages performance.

• step_tokenize() will now try to error if vocabulary size is too low when using engine = "tokenizers.bpe" (#119).

• Warning given by step_tokenfilter() when filtering failed to apply now correctly refers to the right argument name (#137).

• step_tf() now returns 0 instead of NaN when there aren't any tokens present (#118).

• step_tokenfilter() now has a new argument filter_fun will takes a function which can be used to filter tokens. (#164)

• tidy.step_stem() now correctly shows if custom stemmer was used.

• Added keep_original_cols argument to step_lda, step_texthash(), step_tf(), step_tfidf(), step_word_embeddings(), step_dummy_hash(), step_sequence_onehot(), and step_textfeatures() (#139).

Breaking Changes

• Steps with prefix argument now creates names according to the pattern prefix_variablename_name/number. (#124)

textrecipes 0.4.1

Bug fixes

• Fixed a bug in step_tokenfilter() and step_sequence_onehot() that sometimes caused crashes in R 4.1.0.

textrecipes 0.4.0

Breaking Changes

• step_lda() now takes a tokenlist instead of a character variable. See readme for more detail.

New Features

• step_sequence_onehot() now takes tokenlists as input.
• added {tokenizers.bpe} engine to step_tokenize().
• added {udpipe} engine to step_tokenize().
• added new steps for cleaning variable names or levels with {janitor}, step_clean_names() and step_clean_levels(). (#101)

textrecipes 0.3.0

• stopwords package have been moved from Imports to Suggests.
• step_ngram() gained an argument min_num_tokens to be able to return multiple n-grams together. (#90)
• Adds step_text_normalization() to perform unicode normalization on character vectors. (#86)

textrecipes 0.2.3

textrecipes 0.2.2

• step_word_embeddings() got a argument aggregation_default to specify value in cases where no words matches embedding.

textrecipes 0.2.1

textrecipes 0.2.0

• step_tokenize() got an engine argument to specify packages other then tokenizers to tokenize.
• spacyr have been added as an engine to step_tokenize().
• step_lemma() has been added to extract lemma attribute from tokenlists.
• step_pos_filter() has been added to allow filtering of tokens bases on their pat of speech tags.
• step_ngram() has been added to generate ngrams from tokenlists.
• step_stem() not correctly uses the options argument. (Thanks to @grayskripko for finding bug, #64)

textrecipes 0.1.0

• step_word2vec() have been changed to step_lda() to reflect what is actually happening.
• step_word_embeddings() has been added. Allows for use of pre-trained word embeddings to convert token columns to vectors in a high-dimensional "meaning" space. (@jonthegeek, #20)
• text2vec have been changed from Imports to Suggests.
• textfeatures have been changed from Imports to Suggests.
• step_tfidf() calculations are slightly changed due to flaw in original implementation https://github.com/dselivanov/text2vec/issues/280.

textrecipes 0.0.2

• Custom stemming function can now be used in step_stem using the custom_stemmer argument.
• step_textfeatures() have been added, allows for multiple numerical features to be pulled from text.
• step_sequence_onehot() have been added, allows for one hot encoding of sequences of fixed width.
• step_word2vec() have been added, calculates word2vec dimensions.
• step_tokenmerge() have been added, combines multiple list columns into one list-columns.
• step_texthash() now correctly accepts signed argument.
• Documentation have been improved to showcase the importance of filtering tokens before applying step_tf() and step_tfidf().

textrecipes 0.0.1

First CRAN version

textrecipes documentation built on Nov. 16, 2023, 5:06 p.m.