之前是看了Rbook和实战，觉得内容实在太多，这本只有105页，跟着练一下基本的操作已经可以差不多掌握了。例子简单精炼，很实用。适合初学者。
1.introduction and preliminaries
2.simple manipulations;numbers and vectors
3.objects,their modes and attributes
4.ordered and unordered factors
5.arrays and matrices
6.lists and data frames
7.reading data from files
8.probability distributions
9.grouping,loops and conditional execution
10.wrting your own function
11.statstical models in R
12.graphical procedures
13.packages
14.OS facilities
appendix A A sample session
              B Invoking R
              C the command-line editor
              D function and variable index
              E concept index
              F references