Move a row-index level up into columns, reshaping long data into wide.
Below are the 22 Bamboo Weekly exercises that use unstack on real-world data — try each one, then study the worked solution.
- Bamboo Weekly #154: University rankings
- Bamboo Weekly #140: Stack Overflow survey
- Bamboo Weekly #139: Chinese exports
- Bamboo Weekly #133: Wind power
- Bamboo Weekly #126: EV sales
- Bamboo Weekly #124: NATO Spending
- Bamboo Weekly #103: CDC data
- Bamboo Weekly #97: Drones
- Bamboo Weekly #90: Voter participation
- Bamboo Weekly #87: Nuclear power
- Bamboo Weekly #78: Stock markets
- Bamboo Weekly #67: Electric cars
- Bamboo Weekly #65: Microplastics
- Bamboo Weekly #63: Ukraine aid
- Bamboo Weekly #57: International arms trade
- Bamboo Weekly #55: IVF
- Bamboo Weekly #52: Border encounters
- Bamboo Weekly #48: Aviation accidents
- Bamboo Weekly #46: Pedestrians
- Bamboo Weekly #37: Consumer finances
- Bamboo Weekly #34: House of Representatives
- Bamboo Weekly #24: Wildfire smoke
Part of the Pandas Methods Index. See also practice by skill.