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Unformatted text preview: lnsteacl of evaluating Q for every possible line 60+ 61X ,
we can find the best [30 and 61 using calculus. We will
minimize the function Q with respect to [30 and H1 a TI.
8—; = 220/; w (amlxmcn
2—2 = Z206 -- (50+61lellsz) Set them both to 0 (changing the notation) yields TL 20/; — (390 +51Xz'l) Z 0
ing- — (b0+b1XZ-))Xi = 0 1221 the normal equations (very important)! ...
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- Fall '11
- Randles
- Regression Analysis
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