25/09/2019

Slides available at https://ThiagoROliveira.com/IntroToR

- Motivation to learn
`R`

`R`

basics- Using
`R`

as a calculator - Creating and manipulating objects in
`R`

- Loading data sets into
`R`

- Using
- Data manipulation and exploration
- Plots
- Linear models

**Slides available at https://ThiagoROliveira.com/IntroToR**

Statistical packages for **data** **analysis**

Stuff that you can do using:

- MS Excel
- SPSS
- Stata
- SAS
- Matlab
- …

But using the **R programming language**

Because:

- R is free
- R is open source
- R is very versatile
- R is
*very*good for data visualisation **R is a programming language**

On the other hand:

- R has a steep(er) learning curve
**R is a programming language**

With R, you can…

**Do data analysis**- Use multiple data frames simultaneously
- Analyse different kinds of data (e.g., text, network, spatial)
- Collect data from the internet (webscrapping)
- Write your own functions
- Write your own packages

R is getting popular…

To obtain R, visit https://cran.r-project.org/

- CRAN: The Comprehensive R Archive Network
- Select the link that matches your operating system and then follow the installation instructions

**Highly recommended: use** `RStudio`

- Open-source programme that facilitates the use of R
- Visit http://www.rstudio.com/ and follow the download and installation instructions