Add Dataviz with R (#9118)

books/free-programming-books-langs.md

@@ -2082,6 +2082,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 * [Cookbook for R](http://www.cookbook-r.com) - Winston Chang
 * [Data Analysis and Prediction Algorithms with R](https://rafalab.github.io/dsbook/) - Rafael A. Irizarry
 * [Data Mining Algorithms In R](https://en.wikibooks.org/wiki/Data_Mining_Algorithms_In_R) - Wikibooks
+* [Data Visualization with R](https://ladal.edu.au/dviz.html) - Martin Schweinberger (HTML)
 * [Efficient R programming](https://csgillespie.github.io/efficientR/) - Colin Gillespie, Robin Lovelace
 * [Forecasting: Principles and Practice](https://otexts.com/fpp3/) - Rob J Hyndman, George Athanasopoulos
 * [Functional Programming](https://dcl-prog.stanford.edu) - Sara Altman, Bill Behrman, Hadley Wickham