Uploaded December 2018 | Updated September 2026, 2 weeks ago

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For a code implementation, check out this repo:
github.com/luisguiserrano/manning/tree/master/Chapter_3_Linear_Regression

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An introduction to linear regression that requires very little math (no calculus or linear algebra), only a visual mind.

0:00 Introduction
0:44 Housing Prices
6:08 Changing the slope - Rotation
6:34 Changing the y-intercept - Translation
7:01 How to move a line
9:16 Moving a line
11:18 Linear regression algorithm
14:27 Positive and negative distance
19:34 One rule to rule them all
26:35 Square error
29:02 Absolute error
29:52 Absolute trick
30:26 Series of 3 videos