Un método estadístico general para el control posicional de datos espaciales

  1. Ariza López, Francisco Javier
  2. Rodríguez Avi, José
Revista:
Geofocus: Revista Internacional de Ciencia y Tecnología de la Información Geográfica

ISSN: 1578-5157

Año de publicación: 2014

Número: 14

Tipo: Artículo

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Otras publicaciones en: Geofocus: Revista Internacional de Ciencia y Tecnología de la Información Geográfica

Resumen

Se presenta un método de control de la calidad posicional adecuado a cualquier geometría y dimensión. Se aplica un contraste estadístico de hipótesis y, para ello, se propone el uso de dos modelos estadísticos: un modelo binomial (BiM) y un modelo de base (BaM). El BaM representa la hipótesis del comportamiento del error en la población, que puede ser una función de distribución paramétrica o con un modelo de distribución libre. El BiM se aplica sobre el BaM y consiste en contar el número F de eventos que superan una tolerancia. El parámetro  del BiM se deriva del BaM por medio de la tolerancia deseada. Mediante la comparación de las probabilidades asociadas a F y  se decide la aceptación/rechazo. Este método permite conocer los riesgos de usuario y productor. Se presentan varios ejemplos y, con el fin de facilitar su aplicación, se incluyen tablas que relacionan  con F y diversos los tamaños de las muestras de control.

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