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Estimation of the variance components in various covariance matrix structures

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Authors
Božić, Branko
Gospavić, Zagorka
Milosavljević, Zoran
Article (Published version)
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Abstract
This article describes the procedure of obtaining variance component estimates with the Minimum Norm Quadratic Unbiased Estimator (MINQUE). Using the examples of simulated measurements, variance components are estimated in geodetic two-dimensional network models. The efficiency of the estimators was tested using simulated data in three different structures of variance component models. Additive, group and mixed models were analyzed using distance and direction measurements, and the efficiency of the estimator was analyzed in all three cases, focusing in particular on the impact of various ratios of the initial variance components and geodetic network characteristics on the variance components estimation.
Keywords:
Stochastic models / Variance components / MINQUE estimates
Source:
Survey Review, 2011, 43, 323, 653-662

DOI: 10.1179/003962611X13117748892434

ISSN: 0039-6265

WoS: 000295594400018

Scopus: 2-s2.0-80053343836
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URI
http://grafar.grf.bg.ac.rs/handle/123456789/406
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  • Radovi istraživača / Researcher's publications
  • Катедра за геодезију и геоинформатику
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