Week 9 at DataRaFlow: Mastering Pandas Grouping with Real Nigerian Mobile Phone Trade Data

Dec 16, 2025 · 3 min read · Published on December 12, 2025 Part of my DataRaFlow 2025 series – learning data analysis through real-world trade statistics This week in the DataRaFlow programme we moved from basic filtering and merging to one of pandas’ most powerful features: gr...