VADER: A Parsimonious Rule-based Model for Sentiment ...

Sprenger, Sandner, & Welpe, 2010), predict the onset of depression in individuals based on text from social media (De Choudhury, Gamon, Counts, & Horvitz, 2013), char-acterize the emotional variability of pregnant mothers from Twitter posts (De Choudhury, Counts, & Horvitz, 2013), unobtrusively measure national happiness based on Face-