Springer has released 65 Machine Learning and Data books for free https://towardsdatascience.com/springer-has-released-65-machine-learning-and-data-books-for-free-961f8181f189 The 65 books list: The Elements of Statistical Learning Trevor Hastie, Robert Tibshirani, Jerome Friedman http://link.springer.com/openurl?genre=book&isbn=978-0-387-84858-7 Introductory Time Series with R Paul S.P. Cowpertwait, Andrew V. Metcalfe http://link.springer.com/openurl?genre=book&isbn=978-0-387-88698-5 A Beginner’s Guide to R Alain Zuur, Elena N. Ieno, Erik Meesters http://link.springer.com/openurl?genre=book&isbn=978-0-387-93837-0 Introduction to Evolutionary Computing A.E. Eiben, J.E. Smith http://link.springer.com/openurl?genre=book&isbn=978-3-662-44874-8 Data Analysis Siegmund Brandt http://link.springer.com/openurl?genre=book&isbn=978-3-319-03762-2 Linear and Nonlinear Programming David G. Luenberger, Yinyu Ye http://link.springer.com/openurl?genre=book&isbn=978-3-319-18842-...