If you are interested in learning R and Data Science, but not interested in spending money on books, you are definitely in good space. There are a number of fantastic books and resources available online for free from top most creators and scientists. Here are such 13 best free (so far) online books and resources for learning R and Data Science from people like Hadley Wickham, Winston Chang, Garrett Grolemund and JHU Professor Roger Peng. R for Data Science, by Hadley Wickham and Garrett Grolemund, is a great book that introduces R programming, RStudio- the free and open-source integrated development environment for R, and the tidyverse, a suite of R packages designed by Wickham "to work together to make data science fast, fluent, and fun". Hadley Wickham wrote the book online and is available for free online at http://r4ds.had.co.nz/.
Do you want to improve your R skills? Here are my favorite R language resources for users at any level. If you're just starting out with R, I (not surprisingly) recommend my Computerworld Beginner's Guide to R. It's also available as a handy Beginner's R Guide PDF download. To build on those beginner skills, R for Data Science gives readers a firm grounding in basic aspects of data analysis, from import and cleaning to visualizing and modeling. Wickham is well known for his suite of R packages dubbed the "tidyverse," and this book is designed for those who want to use tidyverse packages such as dplyr and purrr.
One of the common problems people face in learning R is lack of a structured path. They don't know, from where to start, how to proceed, which track to choose? Though, there is an overload of good free resources available on the Internet, this could be overwhelming as well as confusing at the same time.
R is an open source programming language and software environment for statistical computing and graphics. R was created in 1992 and is supported by the R Foundation for Statistical Computing. R is widely used among statisticians and data miners for data analysis. The popularity of R has increased in the recent years. Here's a list of the best R tutorials, books and courses to help you learn R programming language in 2018.