【数据科学，real PDF】 R for Data Science : Import, Tidy, Transform, Vis (2017)

tks very much

Thanks for sharing!

according to the reference, this book is very good.

多谢楼主！

thanks

wickham大神的书一本都不可以错过

wickham大神的书一本都不可以错过

谢谢分享

thank you very much

谢谢分享！