# R语言数据操作练习

## 练习列表

* [股票市场数据](stock-market-data.md)

## 学习资源推荐

* [Base R cheatsheet](http://github.com/rstudio/cheatsheets/raw/master/base-r.pdf)
* [RStudio IDE cheatsheet](https://github.com/rstudio/cheatsheets/raw/master/rstudio-ide.pdf)
* [Regular Expressions](https://www.rstudio.com/wp-content/uploads/2016/09/RegExCheatsheet.pdf)
* [Work with Strings cheatsheet](https://github.com/rstudio/cheatsheets/raw/master/strings.pdf)
* [data.table cheatsheet](https://github.com/rstudio/cheatsheets/raw/master/datatable.pdf)

## 贡献数据和练习
