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Data Analytics case 12: Top performers for Environment
Scenario
You are a data professional. A coastal clean-up charity has an issue: leaders only have time to read about the top 2 records. As a Data Analyst, you are tasked to solve it.
Question
Show the 2 biggest records.
Your task
- Read the problem
- Write your solution in the editor
- Press Check my answer
- Deliverable: Top-2 list
- On success it is published as its own portfolio project
Data Analytics · Problem Solving & Root Cause Analysis — question 12 of 30
1. Choose your dataset
Pick an industry and a size. Your code and results change to match.
Data Analytics case 12: Top performers for Environment
Show the 2 biggest records.
Your code cell is below. Press Check my answer to run the cell — the result appears as Out [1].
💡 Explain my whole code, line by line (hover any word in the editor for a tip)
🌈 In short — no coding words
Altogether: this script runs top to bottom, one line at a time, building up the answer step by step.
Dataset & schema
water_tests
The tiny starter data. Bigger data scrolls.
Fields
| test_id | river | ph |
|---|---|---|
| W1 | Vaal | 7 |
| W2 | Orange | 6 |
| W3 | Vaal | 8 |
| W4 | Tugela | 5 |
Environment data only.
$ Press “Check my answer” — results appear here.Your next steps
Each item turns green when your answer includes it.
- Top 2