rstudio.Rmd

# What is RStudio ?

* Free and open source IDE (Integrated Development Environment) for R

* Available for Windows, Mac OS and LINUX

<img src="images/rstudio_logo.png" alt="rstudio logo" width="250"/>

## RStudio access

* [RStudio Desktop installation](https://www.rstudio.com/products/rstudio/download)

* [RStudio access from the CRG server](http://rstudio4.linux.crg.es/auth-sign-in)
	+ Access with CRG credentials
	+ For those who don't have access to the CRG server, use the guest accounts.

![](images/rstudio_login.png "RStudio login")

## RStudio interface

* 4 panels:
	+ top-left: scripts and files
	+ bottom-left: R console
	+ top-right: objects, history and environment
	+ bottom-right: tree of folders, graph window, packages, help window, viewer

<a href="https://sbcrg.github.io/CRG_RIntroduction/images/rstudio_interface.png"><img src="images/rstudio_interface.png" alt="rstudio logo" width="1000"/></a>

## Setting up the folder structure for the course

Create the **Rcourse** folder (bottom-right panel, **Files** tab). Inside the Rcourse folder, create 3 sub-folder: **Module1**, **Module2**, **Module3**:

Rcourse<br>
  |-Module1<br>
  |-Module2<br>
  |-Module3<br>

![](images/rstudio_folder.png "RStudio create folder")


### Note on files and folders names

As you choose names for files and folders, a few rules will make your life easier:

* Do not use **spaces**.
* Do not use **accents** (e.g. replace **é** by **e**).
* Avoid special characters, although **underscores** are a safe option.