In this case study I'm using R and the ggplot2 library in order to create a thematic map regarding Ebola's confirmed cases in Sierra Leone between 5 - 8 December 2015.
Shapefile: (https://gadm.org/download_country.html)
CSV: (https://data.humdata.org/dataset/5cbe4556-0f62-43fe-89a9-2a498ed00cbc)