This chapter uses the following datasets:
- Global Superstore dataset, which can be found at http://www.tableau.com/sites/default/files/training/global_superstore.zip.
- The London Wards dataset, which can be found at https://data.london.gov.uk/download/statistical-gis-boundary-files-london/08d31995-dd27-423c-a987-57fe8e952990/London-wards-2018.zip.
- The 311 calls dataset, which can be found at https://data.nola.gov/City-Administration/311-Calls-Historic-Data-2012-2018-/3iz8-nghx.