excel

BW #114: International trade (solution)

Get better at: Excel files, pivot tables, plotting, and using Marimo notebooks

Apr 17, 2025 12 min read paid Featured

BW #114: International trade

Get better at: Excel files, pivot tables, plotting, and using Marimo notebooks

Apr 16, 2025 3 min read paid Featured

BW #113: US airport traffic (solution)

Get better at: Excel files, multiple files, pivot tables, grouping, dates and times, and plotting

Apr 10, 2025 15 min read paid Featured

BW #113: US airport traffic

Get better at: Excel files, multiple files, pivot tables, grouping, dates and times, and plotting

Apr 9, 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 #111: State taxes (solution)

Get better at: Excel files, cleaning data, regular expressions, multi-indexes, and plotting

Mar 27, 2025 10 min read paid Featured

# BW #111: State taxes

Get better at: Excel files, cleaning data, regular expressions, multi-indexes, and plotting

Mar 26, 2025 3 min read paid Featured

BW #110: Credit access (solution)

Get better at: Excel files, dates and times, plotting, and creating pivot tables

Mar 20, 2025 12 min read paid Featured

BW #110: Credit access

Get better at: Excel files, dates and times, plotting, and creating pivot tables

Mar 19, 2025 3 min read paid Featured

BW #109: Cacao nibs (solution)

Get better at: Excel files, dates and times, correlations, plotting with Seaborn, and window functions

Mar 13, 2025 13 min read paid Featured

BW #109: Cacao nibs