Published

2005-07-01

METODOLOGÍA PARA LA ESTIMACIÓN DE DICO–RAZONES CON EL USO DE INFORMACIÓN AUXILIAR EN TABLAS DE CONTINGENCIA 3 × 3

DICO–RATIO ESTIMATION WITH AUXILIARY INFORMATION IN 3×3 CONTINGENCY TABLES

Keywords:

Información auxiliar categórica, estimación de una razón de totales de variables dicotómicas, dico–razón, diseño P.P.T, diseño ESTMAS (es)
Auxiliary categorical information, estimation of a totals ratio of dichotomic variables, dicho–ratio, P.P.S. design, STSI design (en)

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Authors

  • Jairo A. Fúquene P. Universidad Nacional de Colombia
Se comparan los diseños M.A.S, P.P.T., ESTMAS y estratificado por el método de Hidiroglou para estimar una razón de totales de variables dicotómicas. En el diseño P.P.T. se muestran las probabilidades de selección que hacen mínima la varianza aproximada. Bajo el diseño ESTMAS, en el caso de asignación proporcional, se compara la eficiencia de utilizar la misma información auxiliar que en el diseño P.P.T. Mediante simulación, se comparan todos los diseños y se obtiene que para un grado de correspondencia medio o alto entre la variable auxiliar y la variable de interés, los estimadores para los diseños ESTMAS y P.P.T. son los más eficientes.
The S.I, P.P.S, STSI and stratified by the Hidiroglou’s method to estímate a totals ratio of dichotomic variables are compared. In the P.P.S. design the selection probabilities that make minimum the approximate variance are showed. In the STSI design, in the case of proportional assignment of sample, the efficiency to use the same auxiliary information that in the P.P.S. design one is compared. By simulation, all the designs are compared and is obtained that for a medium or high grade of correspondence between the auxiliary variable and the variable of interest, the estimators for the STSI and P.P.S. designs are more efficient.

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Copyright (c) 2005 Revista Colombiana de Estadística

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