The focus of this course is on teaching R, not statistical theory. So the analyses are limited to first-year BSc materials. Participants can attend any 1, 2, or 3 days if they have sufficient knowledge to do so.

Programme

Day 1	Basic commands and data types in R Using existing functions and external packages Loading data files Making selections and calculating summary statistics Using scripts and projects
Day 2*	More data manipulation in R Making plots for various variable types Performing uni- and bivariate statistical tests and viewing their output (chi-squared, correlation, and t-tests)
Day 3**	Writing functions and applying them More plotting Performing multivariate statistical tests and viewing their output (linear regression, ANOVA)

* (required knowledge: topics of day 1)

** (required knowledge: topics of day 1 and 2)

Mode of instruction

There will be a document with starting-up instructions about installing R and Rstudio. Participants are required to bring their own laptops with this software installed in Windows/macOS/Linux.

The course consists of a mix of lectures, demonstrations and doing exercises.

Please read and complete the starting-up instructions. Materials are shared on Brightspace.

Entry requirements

The course requires: computer skills related to installing software and saving and organising files in folders (File Explorer/Finder); and statistical knowledge as taught in the first year BSc Psychology.

Fees

Target group	One day	Two days	Three days
PhD candidates FSW/FGGA	FREE	FREE	FREE
Staff FSW	€300	€400	€500
Other Leiden University PhD candidates	€215	€315	€415
Externals*	€450	€600	€750

*Externals are PhD candidates related to staff members of FSW (buitenpromovendi) and/or staff members of other Leiden University Faculties.