This book provides an introduction to statistical learning methods. It is aimed for upper level undergraduate students, masters students and Ph.D. students in the non-mathematical sciences. The book also contains a number of R labs with detailed explanations on how to implement the various methods in real life settings, and should be a valuable resource for a practicing data scientist.
http://www-bcf.usc.edu/~gareth/ISL/
https://lagunita.stanford.edu/courses/HumanitiesSciences/StatLearning/Winter2016/