Regression
Regression estimates how one variable changes with another.
What you will be able to do
- Check the relationship first.
- Residuals reveal fit problems.
- Correlation is not causation.
In plain English
Regression estimates how one variable changes with another.
- Check the relationship first.
- Residuals reveal fit problems.
- Correlation is not causation.
import numpy as np
x = np.array([1, 2, 3, 4])
y = np.array([2, 4, 6, 9])
slope, intercept = np.polyfit(x, y, 1)
print(slope, intercept)Your turn
EasyExplain it back
Answer from memory: What does a residual show?
TEXT · starter
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Knowledge checkQuestion 1
What does a residual show?
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