multiple-files

BW #75: Refugees (solution)

Get better at: CSV, filtering, regular expressions, multiple files, index operations, window functions, stack and unstack, multi-indexes, and plotting

Jul 19, 2024 12 min read paid

BW #75: Refugees

Get better at: CSV, filtering, regular expressions, multiple files, index operations, window functions, stack and unstack, multi-indexes, and plotting

Jul 18, 2024 2 min read paid

BW #74: UK elections (solution)

Get better at: Excel files, multiple files, pivot tables, plotting, and missing data.

Jul 11, 2024 9 min read paid

BW #74: UK elections

Get better at: Excel files, multiple files, pivot tables, plotting, and missing data.

Jul 10, 2024 3 min read paid

BW #50: Red Sea shipping (solution)

Get better at: CSV, multiple files, filtering, regular expressions, dates and times, window functions

Jan 25, 2024 14 min read paid

BW #50: Red Sea shipping

Get better at: CSV, multiple files, filtering, regular expressions, dates and times, window functions

Jan 24, 2024 3 min read paid

BW #48: Aviation accidents (solution)

Get better at: JSON, multiple files, comprehensions, applying functions, string operations, grouping, stack-unstack, and plotting

Jan 11, 2024 13 min read paid

BW #48: Aviation accidents

Get better at: JSON, multiple files, comprehensions, applying functions, string operations, grouping, stack-unstack, and plotting

Jan 10, 2024 3 min read paid

BW #47: Minimum wage (solution)

Get better at: CSV, APIs, multiple files, using "apply", window functions, and plotting.

Jan 4, 2024 15 min read paid

BW #47: Minimum wage

Get better at: CSV, APIs, multiple files, using "apply", window functions, and plotting.

Jan 3, 2024 2 min read paid

BW #46: Pedestrians (solution)

Get better at: APIs, grouping, multiple files, stack and unstack, window functions, plotting, and regular expressions.

Dec 28, 2023 17 min read paid

BW #46: Pedestrians