Advanced plus 1: Fit a straight-line model
Scenario
You are a data scientist in the Conservation team, working with animal_counts data. LinearRegression learns the best straight line through points.
Question
Write your code in the editor, press Check my answer, then try changing one small thing.
Your task
- Write each line of your code
- Press Check my answer
- Change one value and check again
Advanced · Data Filtering & Record Counting — question 6 of 30
1. Choose your dataset
Pick an industry and a size. Your code and results change to match.
Advanced plus 1: Fit a straight-line model
Write your code in the editor, press Check my answer, then try changing one small thing.
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
animal_counts
The tiny starter data. Bigger data scrolls.
Fields
| count_id | species | seen |
|---|---|---|
| A1 | Rhino | 4 |
| A2 | Lion | 7 |
| A3 | Rhino | 3 |
| A4 | Zebra | 12 |
Conservation data only.
$ Press “Check my answer” — results appear here.Your next steps
Each item turns green when your answer includes it.
- Uses LinearRegression
- Calls fit
- Predicts