R语言入门教程

《R语言入门教程》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、ChangeVieChangeVieF-XwF-XwDeDerrPPwClicktobuyNOW!wClicktobuyNOW!wmwmwowo.dock.c.dock.cu-tracu-tracR语言简介R语言笔记:数据分析与绘图的编程环境版本1.7RDevelopmentCoreTeamJune10,2006ChangeVieChangeVieF-XwF-XwDeDerrPPwClicktobuyNOW!wClicktobuyNOW!wmwmwowo.dock.c.dock.cu-tracu

2、-tracContents1绪绪绪论论论与与与基基基础础础11.1R语言环境...............................11.2相关的软件和文档..........................11.3R与统计................................21.4R与视窗系统.............................21.5R的交互使用.............................21.6入门训练.................

3、..............31.7获取函数和功能的帮助信息.....................31.8R的命令、对大小写的敏感，等等..................31.9对已输入命令的记忆和更改.....................41.10命令文件的执行和输出的转向到文件................41.11数据的保持与对象的清除......................42简简简单单单操操操作作作；；；数数数值值值与与与向向向量量量52.1向量与赋值.........

4、.....................52.2向量运算...............................52.3产生规则的序列............................62.4逻辑向量...............................72.5缺失值.................................72.6字符向量...............................72.7索引向量(indexvector);数据集子集的选择与修改

5、.........82.8对象的其他类型............................93对对对象象象，，，模模模式式式和和和属属属性性性103.1固有属性：模式和长度........................103.2改变对象的长度............................113.3属性的获取和设置..........................113.4对象的类别..............................114有有有序序序因因因子子子与与与

6、无无无序序序因因因子子子124.1一个特例...............................124.2函数tapply()与ragged数组......................124.3有序因子...............................135数数数组组组和和和矩矩矩阵阵阵145.1数组..................................145.2数组的索引和数组的子块......................145.3索引数组......

7、.........................15iChangeVieChangeVieF-XwF-XwDeDerrPPwClicktobuyNOW!wClicktobuyNOW!wmwmwowo.dock.c.dock.cu-tracu-tracCONTENTSii5.4函数array()..............................165.4.1向量，数组的混合运算，重复使用规则...........165.5两个数组的外积.........................

8、...175.6数组的广义转置............................175.7专门的矩阵功能............................185.7.1矩阵乘法...........................185.7.2线性方程和矩阵的逆.....................185.7.3特征值和特征向量......................195.8奇异值分解与行列式.........................195.9最小二乘拟合及QR分解