Below a simple example of sentiment analyis of tweets about tyre competitors. Notes:
- x-axes=positive tweets
- y-axes=negative tweets
- positive and negative words: Hu and Liu’s “opinion lexicon” categorizes nearly 6,800 words as positive or negative and were downloaded from Bing Liu’s web site: http://www.cs.uic.edu/~liub/FBS/opinion-lexicon-English.rar
- only more positive and worst negative tweets are collected
The code can be found here.