References

General

Fundamentals of Data Visualization by Claus O. Wilke

Introduction to Statistical Learning by Gareth James, Daniela Witten, Trevor Hastie, Robert Tibshirani and (for the Python version) Jonathan Tyler

R-Specific

ggplot2: Elegant Graphics for Data Analysis by Hadley Wickham

Introduction to Data Science by Rafael Irizarry

R for Data Science by Hadley Wickham, Mine Cetinkaya-Rundel, and Garrett Grolemund

Supervised Machine Learning for Text Analysis in R by Emil Hvitfeldt and Julia Silge

Text Mining with R by Julia Silge

Python-Specific

An Introduction to Statistics with Python by Thomas Haslwanter

Python for Data Analysis by Wes McKinney