egression analysis types of regression assumptions evaluation criteria modeling linear regression decision tree based regression next steps summary # analyzing movie reviews sentiment problem statement setting up dependencies getting the data text pre-processing and normalization unsupervised lexicon-based models bing liu' lexicon mpqa subjectivity lexicon pattern lexicon afinn lexicon sentiwordnet lexicon vader lexicon classifying sentiment with supervised learning traditional supervised machine learning models newer supervised deep learning models advanced supervised deep learning models analyzing sentiment causation interpreting predictive models analyzing topic models ummary xii