<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Most important large-scale surveys carried out by national statistical institutes are the repeated survey type, typically intended to produce estimates for several parameters of the whole population, as well as parameters related to some subpopulations. Small area estimation techniques are becoming more and more important for the production of official statistics where direct estimators are not able to produce reliable estimates. In order to exploit data from different survey cycles, unit-level linear mixed models with area and time random effects can be considered. However, the large amount of data to be processed may cause computational problems. To overcome the computational issues, a reformulation of predictors and the correspondent mean cross product estimator is given. The R code based on the new formulation enables the elaboration of about 7.2 millions of data records in a matter of minutes.</p></abstract>

Most important large-scale surveys carried out by national statistical institutes are the repeated survey type, typically intended to produce estimates for several parameters of the whole population, as well as parameters related to some subpopulations. Small area estimation techniques are becoming more and more important for the production of official statistics where direct estimators are not able to produce reliable estimates. In order to exploit data from different survey cycles, unit-level linear mixed models with area and time random effects can be considered. However, the large amount of data to be processed may cause computational problems. To overcome the computational issues, a reformulation of predictors and the correspondent mean cross product estimator is given. The R code based on the new formulation enables the elaboration of about 7.2 millions of data records in a matter of minutes.

Space-Time Unit-Level EBLUP for Large Data Sets

Italian National Statistical Institute, via Cesare Balbo 16, 00184 Rome,

Journal of Official Statistics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Space-Time Unit-Level EBLUP for Large Data Sets"}

Most important large-scale surveys carried out by national statistical institutes are the repeated survey type, typically intended to produce estimates for...

Space-Time Unit-Level EBLUP for Large Data Sets

Published Online: Feb 21, 2017

Page range: 61 - 77

Received: Sep 01, 2015

Accepted: Oct 01, 2016

DOI: https://doi.org/10.1515/jos-2017-0004

Keywords
Small area estimation, time series, linear mixed model, small area estimation software

© by Michele D’Aló

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Space-Time Unit-Level EBLUP for Large Data Sets

Published Online: Feb 21, 2017

Page range: 61 - 77

Received: Sep 01, 2015

Accepted: Oct 01, 2016

DOI: https://doi.org/10.1515/jos-2017-0004

KeywordsSmall area estimation, time series, linear mixed model, small area estimation software

© by Michele D’Aló

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Small area estimation, time series, linear mixed model, small area estimation software