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Teorico de pye

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Question:

Explique que es ECM

Author: Joaquín Mesa



Answer:

Da la dispersion de un estimador y se calcula de la siguente manera Siendo T mi estimador y O a lo que quiero estimar: ECM(T)=E((T-O)^2) o mas comunmente ECM(T)=VAR(T)- ( sesgo(t)^2 )


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