Hello World from OSS Silicon Valley

_ Prerequisite

• Ubuntu Server installation (You can refer HowToUse/UbuntuServer/14.04)

_ Install&Setup

Step.1

Setup APT

$ sudo sh -c 'echo "deb http://cran.rstudio.com/bin/linux/ubuntu trusty/" >> /etc/apt/sources.list'
$ gpg --keyserver keyserver.ubuntu.com --recv-key E084DAB9
$ gpg -a --export E084DAB9 | sudo apt-key add -

Step.2

Install R

$ sudo apt-get install r-base

Then you can launch R with the following command. And you can quit R prompt with "q()".

$ R

_ HowToUse

_ Install modules

Step.1

Install modules.

> install.packages(<Package Name>)

(Example)

> install.packages("ggplot2")

Step.2

Load modules.

> library("ggplot2")

You can see library list as below.

> library

_ Read data

Step.1

Import data.

> data<-read.csv("<CSV file>", header=TRUE)

Step.2

Create scatter plot.

> plot (data$X, data$Y)

_ Execute R script file.

Execute the following command to run R script file.

$ R CMD <R Script File Name>

(Example)

$ R CMD init.r

_ Author

S.Yatsuzuka