- http://joelgrus.com/2015/04/26/data-science-from-scratch-first-principles-with-python/
- https://github.com/joelgrus/data-science-from-scratch
- https://learning.oreilly.com/library/view/practical-statistics-for/9781491952955/
- https://github.com/andrewgbruce/statistics-for-data-scientists