Linkage free dual system estimation
Linkage free dual system estimation
In this paper it is shown that under certain conditions there is a relationship between the parameter estimation of the Fellegi–Sunter probabilistic linkage model and dual system estimation. This relationship can be used as the basis of an approach to population size estimation. In this case it is sufficient to estimate the parameters of the linkage model in order to obtain the population size estimate. Neither classification of the record pairs into links and non-links, nor forcing the records into a series of 1-1 matches, nor clerical review of the potential links is required. The accuracy of the proposed estimator appears to be bounded by the accuracy of the dual system estimator with perfect linkage and it diminishes as the discriminatory power of the linkage variables decreases.
Racinskij, Viktor
5d33ad13-d211-43ac-8235-4eb17070fc85
Smith, Paul A.
a2548525-4f99-4baf-a4d0-2b216cce059c
Van Der Heijden, Peter
85157917-3b33-4683-81be-713f987fd612
27 March 2019
Racinskij, Viktor
5d33ad13-d211-43ac-8235-4eb17070fc85
Smith, Paul A.
a2548525-4f99-4baf-a4d0-2b216cce059c
Van Der Heijden, Peter
85157917-3b33-4683-81be-713f987fd612
Racinskij, Viktor, Smith, Paul A. and Van Der Heijden, Peter
(2019)
Linkage free dual system estimation
arXiv
13pp.
Record type:
Monograph
(Working Paper)
Abstract
In this paper it is shown that under certain conditions there is a relationship between the parameter estimation of the Fellegi–Sunter probabilistic linkage model and dual system estimation. This relationship can be used as the basis of an approach to population size estimation. In this case it is sufficient to estimate the parameters of the linkage model in order to obtain the population size estimate. Neither classification of the record pairs into links and non-links, nor forcing the records into a series of 1-1 matches, nor clerical review of the potential links is required. The accuracy of the proposed estimator appears to be bounded by the accuracy of the dual system estimator with perfect linkage and it diminishes as the discriminatory power of the linkage variables decreases.
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Published date: 27 March 2019
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Local EPrints ID: 429716
URI: http://eprints.soton.ac.uk/id/eprint/429716
PURE UUID: 5559a38f-ba5f-4c81-a2d1-7e1a9ffd695b
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Date deposited: 04 Apr 2019 16:30
Last modified: 16 Mar 2024 04:19
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Author:
Viktor Racinskij
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