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La méthode de Maximum Likelihood

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<strong>La</strong> métho<strong>de</strong> <strong>de</strong> <strong>Maximum</strong> <strong>Likelihood</strong><br />

Calcul <strong>de</strong> la vraisemblance pour un site<br />

A<br />

A<br />

A<br />

C<br />

t1<br />

t1<br />

t2<br />

t3<br />

X<br />

(A,C,G,T) t4<br />

(A,C,G,T)<br />

Y<br />

Ax<br />

A<br />

t2<br />

t4<br />

Ay<br />

C<br />

t3<br />

Prob (A,A,C,Ay,Ax|T) =<br />

Prob(Ay) Prob(Ax|Ay,t4)<br />

Prob(A|Ax, t1) Prob(A|Ax, t2)<br />

Prob(C|Ay,t3)

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