nltk.sentiment.vader

module documentation

(source)

If you use the VADER sentiment analysis tools, please cite:

Hutto, C.J. & Gilbert, E.E. (2014). VADER: A Parsimonious Rule-based Model for Sentiment Analysis of Social Media Text. Eighth International Conference on Weblogs and Social Media (ICWSM-14). Ann Arbor, MI, June 2014.

Class	`SentimentIntensityAnalyzer`	Give a sentiment intensity score to sentences.
Class	`SentiText`	Identify sentiment-relevant string-level properties of input text.
Class	`VaderConstants`	A class to keep the Vader lists and constants.