Algunos estimadores predictivos alternativos de la varianza poblacional

Some Alternative Predictive Estimators of Population Variance

Mediante el uso de un procedimiento de estimación predictivo, se desarrollan algunos estimadores de la varianza poblacional en la presencia de una variable auxiliar. Estudios analíticos y de simulación son implementados para entender el desempeño de los estimadores sugeridos en comparación con otros ya existentes.

Using a predictive estimation procedure, an attempt has been made to develop some estimators for the finite population variance in the presence of an auxiliary variable. Analytical and simulation studies have been undertaken for understanding the performance of the suggested estimators compared to some existing ones

Some Alternative Predictive Estimators of PopulationVariance Algunos estimadores predictivos alternativos de la varianza poblacional RADHAKANTA NAYAK¹, LOKANATH SAHOO²

¹Khallikote College, Department of Statistics, Berhampur, India. Lecturer. Email: rkn2010@gmail.com
²Utkal University, Department of Statistics, Bhubaneswar, India. Professor. Email: lnsahoostatuu@rediffmail.com

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Abstract

Using a predictive estimation procedure, an attempt has been made to develop some estimators for the finite population variance in the presence of an auxiliary variable. Analytical and simulation studies have been undertaken for understanding the performance of the suggested estimators compared to some existing ones.

Key words: Auxiliary variable, Bias, Efficiency, Prediction approach.

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Resumen

Mediante el uso de un procedimiento de estimación predictivo, se desarrollan algunos estimadores de la varianza poblacional en la presencia de una variable auxiliar. Estudios analíticos y de simulación son implementados para entender el desempeño de los estimadores sugeridos en comparación con otros ya existentes.

Palabras clave: variable auxiliar, sesgo, eficiencia, enfoque de predicción.

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References

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[Recibido en diciembre de 2011. Aceptado en noviembre de 2012]

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Este artículo se puede citar en LaTeX utilizando la siguiente referencia bibliográfica de BibTeX:

@ARTICLE{RCEv35n3a10,
    AUTHOR  = {Nayak, Radhakanta and Sahoo, Lokanath},
    TITLE   = {{Some Alternative Predictive Estimators of PopulationVariance}},
    JOURNAL = {Revista Colombiana de Estadística},
    YEAR    = {2012},
    volume  = {35},
    number  = {3},
    pages   = {509-521}
}

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