Author: Nafisi, Vahab

Source: Survey Review, Volume 37, Number 288, April 2003 , pp. 155-161(7)

Publisher: Maney Publishing

Abstract:

Variance components estimation is a method that compute suitable weights for observations. The types of observations can be different (distance, direction, angle). Investigations show that estimations have a meaningful relation with systematic errors or blunders. In other words, if systematic errors exceed some values -that these values can be calculated using precision of observations-, then estimated components will be unreal. Using simulated data, the manner of changes of components can be evaluated. This method can complement the usual methods for detection of systematic errors and blunders.

Document Type: Research Article

DOI: http://dx.doi.org/10.1179/003962603791482802

Publication date: 2003-04-01

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