S4E01 Ordinary Least Squares: Back Where It All Began
Quantitude
00:00
The Sum of Squares and the Multiple Progression World
The idea of the sum of squares is not just something that solved a problem of distances being positive or negative. Rather than talking about points vertically above or below a line, thisextends into the multiple progression world. Picture facing the corner of a room, and the floor that comes out to the left is x one. The floor that come out to the right is x two. You have a three dimensional space. If there's a relation, it's like a football of points.
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