cleaning

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

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

Oct 18, 2023 4 min read paid

BW #32: Unions (solution)

Get practice with Excel files, string manipulation, cleaning data, multiple files, and plotting

Sep 21, 2023 15 min read paid

BW #32: Unions