This book started out as the class notes used in the HarvardX Data Science Series¹.

A hardcopy version of the book is available from CRC Press².

A free PDF of the October 24, 2019 version of the book is available from Leanpub³.

The R markdown code used to generate the book is available on GitHub⁴. Note that, the graphical theme used for plots throughout the book can be recreated using the ds_theme_set() function from dslabs package.

This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International CC BY-NC-SA 4.0⁵.

We make announcements related to the book on Twitter. For updates follow @rafalab⁶.