A data.table dataset containing an augmented version of Hu & Liu's (2004) positive/negative word list as sentiment lookup values.
A data frame with 6874 rows and 2 variables
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).
Hu, M., & Liu, B. (2004). Mining and summarizing customer reviews.
Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery
& Data Mining (KDD-2004). Seattle, Washington.
Hu, M., & Liu, B. (2004). Mining opinion features in customer
reviews. National Conference on Artificial Intelligence.
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