Chapter 19 Reference

Silge, J., & Robinson, D. (2019). Text Mining with R. O’Reilly Media. https://www.tidytextmining.com. https://juliasilge.com/blog/evaluating-stm/

Dotson, Marc. “Introduction to Text Analysis in R”. DataCamp. https://www.datacamp.com/courses/introduction-to-text-analysis-in-r.,

String Manipulation in R with stringr, Text Mining: Bag of Words, Sentiment Analysis in R.

Other DataCamp Courses Sentiment Analysis in R: The Tidy Way, Topic Modeling in R, Introduction to Natural Language Processing in R.

There are also some projects in DataCamp, and tutorial.