In this study we have used passive call detail record (CDR) to compare two individuals. The original code is by Anto Aasa. It is evident from the study that user call activities can be used to study user behaviour for days, months, and years. It can also throw light on travel history.
Map made using R, library used tmap, spData, ggplot2, gifski.
Maps made using python in Jupyter Notebook
I have used library such as rasterio libray along with other library to work with raster data