According to the TIOBE Programming Language Popularity Index, interest in the R programming language has been steadily increasing. The trend may have an explanation in the face of past and future health crises related to COVID, but developers should be aware that this interest can be sustained in the long term. This prompted the creation of this R programming language handbook to statistical data processing.The R Foundation maintains R, a programming language and free software environment for statistical computing and graphics. The R programming language is widely used in the development of...