R¶

Tips¶

plot

S

dev.new()
# png(file = "linearregression.png")
plot(y,x,...)
# dev.off()

png file

S

dev.new()
png(file = "linearregression.png")
plot(y,x,...)
dev.off()

ubuntu 16.04 升级 R 3.6¶

Bash

sudo apt-add-repository -y "deb https://cloud.r-project.org/bin/linux/ubuntu xenial-cran35/"
# 或者就近的镜像站点
sudo apt-add-repository -y "deb https://mirrors.tuna.tsinghua.edu.cn/CRAN/bin/linux/ubuntu xenial-cran35/"

# 必须导入 key
sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E084DAB9

sudo apt-get update
sudo apt-get install r-base r-base-dev

# 添加二进制编译好的R包仓库，有些R包依赖复杂，编译时间长
# R 3.5.x 系列 二进制 R 包
sudo add-apt-repository ppa:marutter/c2d4u3.5
sudo apt-get update

install on Ubuntu 18.04¶

install RStudio prerequisites

Bash

sudo apt update
sudo apt install r-base

Download RStudio
Bash
```
sudo dpkg -i xxx.deb
```

Proxy¶

Configuring R to Use an HTTP or HTTPS Proxy

Bash

/usr/lib/R/etc/Renviron.site

http_proxy=http://127.0.0.1:58591
https_proxy=https://127.0.0.1:58591