IMDB review dataset used for the study can be acquired from https://ai.stanford.edu/~amaas/data/sentiment/. Source code was constructed via Google Colab python notebook, therefore the most suitable way to open it is via Google Colab.
Machine Learnig Classifiers used: Logistic Regression, L1 Ridge Regression, L2 Lasso Regression, Elastic Net Regression, KNN.