R语言基础
我电脑上装的有R和Rstudio,并且有在经常使用。
绘图
plot(rnorm(50))
绘制50个随机数的散点图
![](https://img.haomeiwen.com/i24089850/dcc21bef6f56e040.png)
boxplot(iris$Sepal.Length~iris$Species,col = c("lightblue","lightyellow","lightpink"))
箱图![](https://img.haomeiwen.com/i24089850/39436f0aafcc7231.png)
设置字体大小
1.用Rproject管理工作目录
![](https://img.haomeiwen.com/i24089850/a34f38552f9f03c7.png)
2.显示文件列表
显示默认路径(工作目录)
![](https://img.haomeiwen.com/i24089850/494a0f26c67e703a.png)
3.加减乘除
![](https://img.haomeiwen.com/i24089850/7c411c22772c3314.png)
4.赋值
·<-`
![](https://img.haomeiwen.com/i24089850/ceef5e46fa44a3e1.png)
5.删除变量
rm
![](https://img.haomeiwen.com/i24089850/1394a2ecd9c9d072.png)
6.列出历史命令
history()
![](https://img.haomeiwen.com/i24089850/433e34c31611c57c.png)
7.清空控制台
快捷键ctrl+l
![](https://img.haomeiwen.com/i24089850/89d0c92031250284.png)
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