Linear Regression

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01. Intro
02. Quiz: Housing Prices
03. Solution: Housing Prices
04. Fitting a Line Through Data
05. Moving a Line
06. Absolute Trick
07. Square Trick
08. Quiz: Absolute and Square Trick
09. Gradient Descent
10. Mean Absolute Error
11. Mean Squared Error
12. Quiz: Mean Absolute & Squared Errors
13. Minimizing Error Functions
14. Mean vs Total Error
15. Mini-batch Gradient Descent
16. Quiz: Mini-Batch Gradient Descent
17. Absolute Error vs Squared Error
18. Linear Regression in scikit-learn
19. Higher Dimensions
20. Multiple Linear Regression
21. Closed Form Solution
22. (Optional) Closed form Solution Math
23. Linear Regression Warnings
24. Polynomial Regression
25. Quiz: Polynomial Regression
26. Regularization
27. Quiz: Regularization
28. Feature Scaling
29. Outro

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12. Quiz: Mean Absolute & Squared Errors

Quiz for Mean Absolute Error

Start Quiz:

Which line in the graph has a smaller mean absolute error?

Line A

Line B

Line C

All the same

SOLUTION:

All the same

Quiz for Mean Squared Error

Start Quiz:

Which line in the graph has a smaller mean squared error?

Line A

Line B

Line C

All the same

SOLUTION:

Line B

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