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juliasilge/tidytext: tidytext 0.1.7

Julia Silge; David Robinson; Colin Fay; Kenneth Benoit; Jim Hester; Sean Kross; Jon Calder; James Keirstead; Dave Childers; Arfon Smith; Amelia McNamara

  • unnest_tokens can now unnest a data frame with a list column (which formerly threw the error unnest_tokens expects all columns of input to be atomic vectors (not lists)). The unnested result repeats the objects within each list. (It's still not possible when collapse = TRUE, in which tokens can span multiple lines).
  • Add get_tidy_stopwords() to obtain stopword lexicons in multiple languages in a tidy format.
  • Add a dataset nma_words of negators, modals, and adverbs that affect sentiment analysis (#55).
  • Updated various vignettes/docs/tests so package can build on R-oldrel.

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