Returns an HTML character highlighting the sentiments.

Usage

sentiment_highlighter(
  text,
  lexicon = c("nrc", "bing", "loughran", "afinn"),
  token = "words",
  lexicon_dir = "."
)

text: the text to highlight.
lexicon: the sentiment lexicon to use.
token: unit for tokenizing. Reasonable options are words, sentences, lines, and paragraphs. See tidytext::unnest_tokens() for more details.
lexicon_dir: directory where the sentiment directories are located.