Experiments done with the data from Barlacchi, G., De Nadai, M., Larcher, R. et al. A multi-source dataset of urban life in the city of Milan and the Province of Trentino. Sci Data 2, 150055 (2015). https://doi.org/10.1038/sdata.2015.55
Data source: https://dataverse.harvard.edu/dataverse/bigdatachallenge