grouping

BW #54: Household debt

Get better at: Excel, formatting, plotting, window-functions, using "apply", string functionality, grouping, and interpolation

Feb 21, 2024 4 min read paid

BW #52: Border encounters (solution)

Get better at: CSV, dates and times, plotting, grouping, multi-indexes, and stack-unstack.

Feb 8, 2024 14 min read paid

BW #52: Border encounters

Get better at: CSV, dates and times, plotting, grouping, multi-indexes, and stack-unstack.

Feb 7, 2024 3 min read paid

BW #51: Academy Awards (solution)

Get better at: CSV, PyArrow, missing values, cleaning, grouping, memory optimization, and plotting

Feb 1, 2024 14 min read paid

BW #51: Academy Awards

Get better at: CSV, PyArrow, missing values, cleaning, grouping, memory optimization, and plotting

Jan 31, 2024 3 min read paid

BW #49: Campaign finance (solution)

Get better at: Scraping, CSV, formatting, grouping, plotting, correlations

Jan 18, 2024 18 min read paid

BW #49: Campaign finance

Get better at: Scraping, CSV, formatting, grouping, plotting, correlations

Jan 17, 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 #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