Paul Gerrard & Radia M. Johnson 
Mastering Scientific Computing with R [EPUB ebook] 
Employ professional quantitative methods to answer scientific questions with a powerful open source data analysis environment

If you want to learn how to quantitatively answer scientific questions for practical purposes using the powerful R language and the open source R tool ecosystem, this book is ideal for you. It is ideally suited for scientists who understand scientific concepts, know a little R, and want to be able to start applying R to be able to answer empirical scientific questions. Some R exposure is helpful, but not compulsory.