建模优化与评价的理论基础学习，用于统计分析和数据挖掘-Based learning theory and modeling optimization and uation for statistical analysis and data mining

R语言是属于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,提供相关学习资料-R Language is a free GNU system belong, free, open source software, it is an excellent tool for statistical computing and statistical mapping to provide relevant learning materials

R语言统计软件介绍，较基础，适合初学者学习。-R programming