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Small Area Estimation for Multivariate Repeated Measures Data
Linköping University, Department of Mathematics. Linköping University, The Institute of Technology.
2014 (English)Licentiate thesis, monograph (Other academic)
Abstract [en]

This thesis considers Small Area Estimation with a main focus on estimation and prediction theory for repeated measures data. The demand for small area statistics is for both cross-sectional and repeated measures data. For instance, small area estimates for repeated measures data may be used by public policy makers for different purposes such as funds allocation, new educational or health programs and in some cases, they might be interested in a given group of population.

It has been shown that the multivariate approach for model-based methods in small area estimation may achieve substantial improvement over the usual univariate approach. In this work, we consider repeated surveys including the same subjects at different time points. The population from which a sample has been drawn is partitioned into several subpopulations and within all subpopulations there is the same number of group units. For this setting a multivariate linear regression model is formulated. The aim of the proposed model is to borrow strength across small areas and over time with a particular interest of growth profiles over time. The model accounts for repeated surveys, group individuals and random effects variations.

The estimation of model parameters is discussed with a restricted maximum likelihood based approach. The prediction of random effects and the prediction of small area means across time points, per group units and for all time points are derived. The theoretical results have also been supported by a simulation study and finally, suggestions for future research are presented.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2014. , 43 p.
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1684
National Category
URN: urn:nbn:se:liu:diva-111942DOI: 10.3384/lic.diss-111942ISBN: 978-91-7519-199-7 (print)OAI: diva2:762231
2014-12-10, BL32, Hus B, Campus Valla, Linköpings universitet, Linköping, 15:15 (English)
Sida - Swedish International Development Cooperation Agency

The series name Linköping Studies in Science and Technology. Licentiate Thesis in the thesis is incorrect. The correct name is Studies in Science and Technology. Thesis.

Available from: 2014-11-11 Created: 2014-11-11 Last updated: 2014-11-25Bibliographically approved

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Ngaruye, Innocent
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Department of MathematicsThe Institute of Technology

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