Install R on Ubuntu

The statistical analysis and data mining package R is given its single letter name quite difficult to find help for in Google.

What is R

R is an open source programming language and software environment for statistical computing and graphics. The R language is widely used among statisticians for developing statistical software and data analysis.

How to Install R

sudo apt-get install r-base

How to use R

You can start R simply typing R (case sensitive) on your command line x2q@x2q:~$ R

Examples

> 2+2
[1] 4
> x <- c(1,2,3,4,5,6)
> print(x)
[1] 1 2 3 4 5 6
> y <- x^2
> print(y)
[1]  1  4  9 16 25 36
> mean(y)
[1] 15.16667
> summary(x)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   1.00    2.25    3.50    3.50    4.75    6.00
> summary(y)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.
   1.00    5.25   12.50   15.17   22.75   36.00