## What is R language ?

R is a statistical computing language and used widely among professionals all over the world. R also can be used for everyone without any fee, although it has incredible functions in it! Please watch this short movie.

## How can we download R language?

First, please go to the R-project site and download R into your PC. This short movie shows how to do that. (It is recommended to look at it by 720pHD resolution)

## HOW CAN WE use R LANGUAGE?

Once finish download R, you can install it by just following instructions. When you finish installing, you can use R-console which is used in statistical computing. Please look at this movie. (It is recommended to look at it by 720pHD resolution)

## How can we do A LITTLE math with R ?

Please open R, input numbers/formulas below to console of R , press enter key and obtain the answer. The correct answer is in the last line of this page.

1. What is **(35-15)/10** ?

2. **x=63, y=7,** what is** x/y** ?

3. ** x=40, y=8, z=5,** what is **(x/y)+2*z**?

## How can we calculate statistics with R?

If you want to learn R deeper, I recommend interactive tutorial "DataCamp". It is also free!

If you need manual about R, please go to "An introduction to R" in The R project.

R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria. ISBN 3-90005107-0 URL http://www.R-project.org

Answer

1. 2

2. 9

3. 15