Count the non-missing values.
Below are the 33 Bamboo Weekly exercises that use count on real-world data — try each one, then study the worked solution.
- Bamboo Weekly #173: IPOs
- Bamboo Weekly #161: Missiles in Israel
- Bamboo Weekly #156: Winter Olympics
- Bamboo Weekly #142: Hurricanes
- Bamboo Weekly #137: UN Security Council
- Bamboo Weekly #132: JetBrains survey
- Bamboo Weekly #124: NATO Spending
- Bamboo Weekly #119: Python conferences
- Bamboo Weekly #116: Philadelphia Fed survey
- Bamboo Weekly #111: State taxes
- Bamboo Weekly #104: Aviation accidents
- Bamboo Weekly #102: WordPress
- Bamboo Weekly #96: Taylor Swift
- Bamboo Weekly #94: Strategic Wine Reserve
- Bamboo Weekly #88: Hot summers
- Bamboo Weekly #87: Nuclear power
- Bamboo Weekly #86: FEMA
- Bamboo Weekly #84: Central banks
- Bamboo Weekly #79: Cyber attacks
- Bamboo Weekly #73: Avocado hand
- Bamboo Weekly #72: City travel
- Bamboo Weekly #71: Holidays
- Bamboo Weekly #70: Moon missions
- Bamboo Weekly #69: Election participation
- Bamboo Weekly #65: Microplastics
- Bamboo Weekly #58: NATO
- Bamboo Weekly #51: Academy Awards
- Bamboo Weekly #46: Pedestrians
- Bamboo Weekly #34: House of Representatives
- Bamboo Weekly #15: Eurovision
- Bamboo Weekly #14: JOLTS
- Bamboo Weekly #13: Python developers
- Bamboo Weekly #4: Eating well
Part of the Pandas Methods Index. See also practice by skill.