joins

BW #118: Flight delays (solution)

Get better at: CSV files, working with dates and times, pivot tables, and plotting

May 16, 2025 11 min read paid Featured

BW #118: Flight delays

Get better at: CSV files, working with dates and times, pivot tables, and plotting

May 14, 2025 3 min read paid Featured

BW #112: Programming jobs (solution)

Get better at: Excel files, regular expressions, optimizing speed, PyArrow, grouping, joining, and plotting.

Apr 3, 2025 14 min read paid Featured

BW #112: Programming jobs

Get better at: Excel files, regular expressions, optimizing speed, PyArrow, grouping, joining, and plotting.

Apr 2, 2025 3 min read paid Featured

BW #105: Federal employees (solution)

Get better at: String manipulation, working with multiple files, joins, grouping, and plotting

Feb 14, 2025 16 min read paid Featured

BW #105: Federal employees

Get better at: String manipulation, working with multiple files, joins, grouping, and plotting

Feb 12, 2025 4 min read paid Featured

BW #102: WordPress (solution)

Get better at: Grouping, pivot tables, plotting, and joining

Jan 23, 2025 11 min read paid Featured

BW #102: WordPress

Get better at: Grouping, pivot tables, plotting, and joining

Jan 22, 2025 4 min read paid Featured

BW #101: Los Angeles Fires (solution)

Get better at: GeoPandas, joins, plotting, dates and times, grouping, and pivot tables.

Jan 16, 2025 11 min read paid Featured

BW #101: Los Angeles Fires

Get better at: GeoPandas, joins, plotting, dates and times, grouping, and pivot tables.

Jan 15, 2025 3 min read paid Featured

BW #99: Literacy and numeracy (solution)

Get better at: Working with multiple files, odd CSV files, string manipulation, joins, and plotting

Jan 2, 2025 15 min read paid Featured

BW #99: Literacy and numeracy