[thousandautumns]

I've never looked at Data Science in R, but Hadley Wickam's R for Data Science is great in my opinion. Really applicable, down to earth, and focuses much more on the meat of data science (data manipulation and munging, visualization, relational data, and efficient programing) more than the typical "fit a neural network to this idealized toy data set!"

Its also available for free online at https://r4ds.had.co.nz/