The Descriptive Analysis in Polarity of Text Hyperbole (DARTH) is a tool that allows us to quantify the “sentiment” of social media text using the VADER* tool made by Hutto et al. So below you will see the output from multiple journals Twitter accounts using DARTH on VADER.
* 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.