这本书涵盖了R语言编程的诸多方面，尤其在面向对象编程、程序调试、提升程序运行速度以及并行计算等方面，填补了同类图书的空白。(This book covers many aspects of R programming, especially in object-oriented programming, program debugging, lifting programs, running speed, and parallel computing, to fill the gaps in similar books.)