A quanteda dictionary object containing 2,006 positive and 4,783 negative words from Hu and Liu (2004, 2005).
An object of class
dictionary2 of length 2.
Hu, M. & Liu, B. (2004). Mining and Summarizing Customer Reviews. In Proceedings of the ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD-2004), Aug 22–25, 2004, Seattle, Washington, USA.
Liu, M., Hu, M., & Cheng, J. (2005). Opinion Observer: Analyzing and Comparing Opinions on the Web. In Proceedings of the 14th International World Wide Web conference (WWW-2005), May 10–14, 2005, Chiba, Japan.
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