R语言入门教程，适合初学者学习。R是用于统计分析、绘图的语言和操作环境。R是属于GNU系统的一个自由、免费、源代码开放的软件，它是一个用于统计计算和统计制图的优秀工具。-R Language Tutorial for beginners to learn. R is used for statistical analysis, mapping of language and operating environment. R is part of a free GNU system, a free, open source software, which is an excellent tool for statistical computing and statistical mapping for.