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2.2.LEASTSQUARESESTIMATION132.2LeastSquaresEstimationEstimationisameth

2.2.LEASTSQUARESESTIMATION132.2LeastSquaresEstimationEstimationisameth

gristlydell
10 Slides

@0=2Pni=11Yi(0+1xi)]@S @1=2Pni=11Yi(0+1x...

Proof:First,wemultiplytherstnormalequationby�Pni=1xiandtheseco

Proof:First,wemultiplytherstnormalequationby�Pni=1xiandtheseco

bety
4 Slides

y�b1 x(Note: y=1 nPni=1yiand x=1 nPni=1xi.)Proo...

y)=Pni=1xiyi�n

y)=Pni=1xiyi�n

hanah
2 Slides

(8)Pni=1(xi� x)(yi� x y: Proof:Expand.e....

$isthe\sumofsquaresofx$

isthe\sumofsquaresofx"andSyy=nXi=1(y�y)2=nXi=1y2i�1

bety
9 Slides

n nXi=1yi!2isthe\sumofsquaresofy"Thevalueofrxyisal...

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