This book is a guide to statistical genetics analyses with R. The focus will be on conveying concepts and theories, while providing easy-to-reproduce working examples using established methods and packages. The audience is primarily users without mathematical background but with a strong foundation in biology. A basic knowledge of R is assumed but experience with statistical genetics is not needed. Each chapter includes exercises. The book serves as a guide to understanding and applying statistical genetics approaches in R and covers a wide range of topics from quantitative genetics, population and evolutionary genetics to genetic epidemiology and the analysis of complex traits.