add_sentiment() provides simple lexicon-based measures of sentiment, comparing words in a text to one of a number of controlled dictionaries.
Usage
add_sentiment(
data,
lexicon = c("bing", "afinn", "loughran", "nrc", "nrc_eil", "nrc_vad"),
feature = word,
label = NULL
)Arguments
- data
A tidy data frame, potentially containing a column called "word"
- lexicon
The sentiment lexicon to use from the tidytext package. Options include "bing", "afinn", "loughran", "nrc", "nrc_eil", or "nrc_vad"
- feature
A column of words containing one word per row, to be used for dictionary look-up
- label
Whether to label variables added to data frame
Examples
if (FALSE) { # \dontrun{
dubliners <- get_gutenberg_corpus(2814) |>
load_texts() |>
identify_by(part) |>
standardize_titles()
dubliners |>
add_sentiment() |>
drop_na() |>
head()
} # }