Pete Dalgaard's Introductory Statistics with R is a good book, but not free online as far as I know.[1] Or go to the source with An Introduction to R[2][3] I

Pete Dalgaard's Introductory Statistics with R is a good book, but not free online as far as I know.[1] Or go to the source with An Introduction to R[2][3] I also enjoyed Norm Matloff's fasteR tutorial.[4] [1] https://www.springer.com/gp/book/9780387790534 https://www.springer.com/gp/book/9780387790534 [2] https://cran.r-project.org/doc/manuals/r-release/R-intro.pdf https://cran.r-project.org/doc/manuals/r-release/R-intro.pdf [3] https://intro2r.com/the-aim-of-this-book.html https://intro2r.com/the-aim-of-this-book.html [4] https://github.com/matloff/fasteR https://github.com/matloff/fasteR