readme instructions

README.md

@@ -2,3 +2,21 @@
 
 Doctoral Neuroscience School 09 Dec 2024
 Try the exercises, then check the solutions
+
+# Clone repository
+To get all the files, run in your cmd 
+
+```
+git clone https://gitlab.uliege.be/Paradeisios.Boulakis/power-calculation-r.git
+```
+
+or download the source code 
+
+# Setup 
+
+1. Install R + RStudio as described [here](https://posit.co/download/rstudio-desktop/) 
+2. Install necessary dependencies. Open RStudio and run the following command
+
+```
+install.packages(c("pwrss","pwr","ggplot2","rpact"))
+```