Run a custom function across rows, columns, or groups when no built-in fits.
Below are the 35 Bamboo Weekly exercises that use apply on real-world data — try each one, then study the worked solution.
- Bamboo Weekly #173: IPOs
- Bamboo Weekly #168: US gas prices
- Bamboo Weekly #164: Fertilizer
- Bamboo Weekly #163: Daylight saving time
- Bamboo Weekly #162: Spotify and car accidents
- Bamboo Weekly #158: University endowments
- Bamboo Weekly #155: Gold
- Bamboo Weekly #152: Congestion pricing
- Bamboo Weekly #151: PyPI in 2025
- Bamboo Weekly #150: Kalshi
- Bamboo Weekly #148: US Manufacturing
- Bamboo Weekly #145: Economic indicators
- Bamboo Weekly #144: Museum Heists
- Bamboo Weekly #140: Stack Overflow survey
- Bamboo Weekly #139: Chinese exports
- Bamboo Weekly #138: Federal workers
- Bamboo Weekly #136: Indian vehicles
- Bamboo Weekly #133: Wind power
- Bamboo Weekly #132: JetBrains survey
- Bamboo Weekly #130: Jobs reporting
- Bamboo Weekly #128: Extreme heat
- Bamboo Weekly #125: Shrinking dollars
- Bamboo Weekly #105: Federal employees
- Bamboo Weekly #104: Aviation accidents
- Bamboo Weekly #100: Sports betting
- Bamboo Weekly #76: Aging legislators
- Bamboo Weekly #68: Dangerously hot weather
- Bamboo Weekly #54: Household debt
- Bamboo Weekly #53: Airport animals
- Bamboo Weekly #48: Aviation accidents
- Bamboo Weekly #47: Minimum wage
- Bamboo Weekly #46: Pedestrians
- Bamboo Weekly #45: Netflix
- Bamboo Weekly #36: Nobel Prize
- Bamboo Weekly #6: End of the humanities?
Part of the Pandas Methods Index. See also practice by skill.