Day 4

R language

Install R and R studio

Follow the instruction on the official website (Finished)
(R studio is much easier to use. R is like the terminal window)
Really recommend R studio (Like Matlab)

R for Data Science

Introduction (the first chapter)

• Make sure your username is English, not Chinese

R studio

WechatIMG220.png

图片来源： 生物星球

• plot(rnorm(50))
  runif: the uniform distribution on the simplex
  (generate random compositions with a uniform distribution on the (rcomp) simplex)

• boxplot(irisSpecies,col = c("lightblue", "lightyellow", "lightpink"))

change font

• Tools -> global options

folder organization

https://mp.weixin.qq.com/s/G-LXN9P2HVLv9v0cvyFJMA

show working directory

• dir()

remove variable

• rm()