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Diseño experimental y análisis de resultados

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Vector <strong>de</strong> factores c = (c 1 , . . . , c k ) don<strong>de</strong> cada<br />

c i ∈ {0, 1}<br />

X(c) valor <strong>de</strong>l parámetro <strong>de</strong> rendimiento para<br />

un vector <strong>de</strong> entrada c<br />

Efecto principal o <strong>de</strong> primer or<strong>de</strong>n <strong>de</strong>l factor<br />

i-ésimo :<br />

⎡<br />

⎤<br />

e i = 1<br />

2 k−1 ⎣<br />

∑<br />

X(c) −<br />

∑<br />

X(c) ⎦<br />

c : c i =1<br />

c : c i =0<br />

Valor promedio <strong>de</strong>l rendimiento :<br />

X = 1 ∑<br />

2 k X(c)<br />

Si e i ≪ X : factor no importante. Se fija el<br />

factor con un valor intermedio (monotonicidad<br />

supuesta).<br />

Si e i significativo frente a X : factor importante.<br />

c<br />

26

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