Valence Aware Dictionary and sEntiment Reasoner (VADER)

A lexicon and rule-based sentiment analysis tool that is specifically attuned to sentiments expressed in social media, and works well on texts from other domains. Hutto & Gilbert (2014) <>.


Reference manual

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0.2.1 by Katherine Roehrick, a year ago

Browse source code at

Authors: Katherine Roehrick [aut, cre]

Documentation:   PDF Manual  

MIT + file LICENSE license

Imports tm

Suggests spelling

See at CRAN