cleaning

BW #53: Airport animals (solution)

Get better at: PDF extraction, string operations, cleaning, multi-index, and window functions.

Feb 15, 2024 11 min read paid

BW #53: Airport animals

Get better at: PDF extraction, string operations, cleaning, multi-index, and window functions.

Feb 14, 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 #42: Plant hardiness (solution)

Get better at: CSV files, index operations, string operations, multi-indexes, cleaning, and plotting.

Nov 30, 2023 15 min read paid

BW #42: Plant hardiness

Get better at: CSV files, index operations, string operations, multi-indexes, cleaning, and plotting.

Nov 29, 2023 3 min read paid

BW #41: Wine production (solution)

Get better at: Excel files, regular expressions, filtering, grouping, plotting, pivot tables, cleaning

Nov 23, 2023 15 min read paid

BW #41: Wine production

Get better at: Excel files, regular expressions, filtering, grouping, plotting, pivot tables, and cleaning

Nov 22, 2023 3 min read paid

BW #40: Sovereign Bonds (solution)

Get better at: APIs, scraping, regular expressions, cleaning, outliers, and grouping.

Nov 16, 2023 15 min read paid

BW #40: Sovereign Bonds

Get better at: APIs, scraping, regular expressions, cleaning, outliers, and grouping.

Nov 15, 2023 4 min read paid

BW #36: Nobel Prize (solution)

Get better at: APIs, JSON, comprehensions, functions, cleaning, applying functions, and joining.

Oct 19, 2023 18 min read paid

BW #36: Nobel Prize