12. Exploratory Data Analysis (EDA)
12.4 Document Findings
Good finding (fictional):
Diwali rows in this sample carry higher average amount than None days (check groupby). Pune has the most orders; Kolhapur shows the only Cancelled row — worth checking payment or stock next.
Bad finding: “Data looks fine.” (Says nothing.)
Practice task
Run the full checklist on df. Write exactly three bullets: (1) volume by city, (2) festival effect, (3) one data-quality note.
Thodkyaat sangaycha tar (quick recap)
- Questions first, charts second
- info → value_counts → crosstab → groupby → written findings
- Correlation is not causation
Samajla ka? Aata pudhe jaauya visualization with matplotlib.