# Chapter 1 Getting Started

(08 December, 2020, 00:33)

## 1.3 Installing and Setting up RStudio

Currently, the most convenient interface to R is the RStudio GUI. You can either install it locally, or use it online on RStudio Cloud.

### 1.3.1 Local RStudio installation

• Typically, RStudio is run on a local computer.

### 1.3.2 RStudio Cloud

You can use the RStudio cloud service for free after getting an account on RStudio Cloud.

## 1.4 Basics of the RStudio environment

Please take a look at the following thorough introduction to the RStudio environment.

Please watch the following video by Lisa DeBruine:

## 1.5 Special blocks in the following

• In the following, R code blocks will appear as follows. The first block shows the R code, the second block the second block (with text in bold), the R output.
mtcars[1:5, "mpg"]
## [1] 21.0 21.0 22.8 21.4 18.7
• Grey boxes of this type introduce new functions (at least sometimes).

mean(x)

Computes the average of a vector of numbers.

• x The vector to average over.