This dataset was collected in association with the following publication: Andrew L. Maas, Raymond E. Daly, Peter T. Pham, Dan Huang, Andrew Y. Ng, and Christopher Potts. (2011). "Learning Word Vectors for Sentiment Analysis." The 49th Annual Meeting of the Association for Computational Linguistics (ACL 2011). (link) Please email the author of that paper if you use the data for any research applications. The tutorial was developed by Angela Chapman during her summer 2014 internship at Kaggle.