Google search data reveal our thoughts in the closet. Using Google search data, we can get new insights into the human psyche. The NYT Best-seller Everybody Lies by details exciting projects using Google Trends data to expose racism, hate speech, mental disorder and etc.

In this tutorial, I will introduce R codes to map Twitter users with coordinates obtained from Google Map API. This tutorial is built on: http://lucaspuente.github.io/notes/2016/04/05/Mapping-Twitter-Followers.

We will use R to conduct sentiment and trend analysis of ISIS tweets.