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Descargar PDF Curso 02 - Instituto de Economía y Finanzas

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Mo<strong>de</strong>lo Lineal<br />

Mo<strong>de</strong>lo <strong>de</strong> regresión lineal<br />

Especificación matricial<br />

función <strong>de</strong> verosimilitud<br />

Y = X β + e,<br />

L(β, σ 2 e; X , Y ) = (2πσ 2 e) −n/2 exp<br />

e ∼ N(0, σ 2 eI n ),<br />

{<br />

− 1<br />

}<br />

2σe<br />

2 (Y − X β) T (Y − X β) .<br />

(Univ. Carlos III <strong>de</strong> Madrid) Estadística bayesiana 22-03-11 21 / 42

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