Full walkthrough: read the companion article
Checkpoint: The date-range filter recomputes KPIs, trend, and leaderboards consistently.
Key takeaways
- • resample for time grouping
- • nlargest for leaderboards
- • st.stop for empty states
Project 12: Sales Data Analyzer
35 min • Intermediate • Module 4
Answer real business questions: revenue trends, top products, regional breakdowns, growth.