R Programming Language Basics
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- Set working directory
> setwd('~/Desktop/R_scripts')
- Read data
> data=read.table('Statistic.csv')
- Review data
> data 1 A 2.0 2 B 3.0 3 C 4.0
- Assign a specific column to variable
> grade=data[,2]
- Plotting
> plot(grade, xlab='Name', ylab='Score', ylim=c(1,3) > boxplot(grade, xlab='Name', ylab='Score', ylim=c(1,3)
- View basic arithmetic summary data
> summary Min.
