hash_sentiment: Polarity Lookup Key

Description

A data.table dataset containing an augmented version of Hu & Liu's (2004) positive/negative word list as sentiment lookup values.

Usage

data(hash_sentiment)

Arguments

Format

A data frame with 6875 rows and 2 variables

Details

x. Words
y. Sentiment values (+1, 0, -1.05, -1, -2), -2 indicate phrasing that is always negative (e.g., 'too much fun' and 'too much evil' both denote negative though the following word is positive and negative respectively).

References

Hu, M., & Liu, B. (2004). Mining opinion features in customer reviews. National Conference on Artificial Intelligence. https://www.cs.uic.edu/~liub/FBS/sentiment-analysis.html