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Calibrated imputation of numerical data under linear edit restrictions

Pannekoek, Jeroen, Shlomo, Natalie and De Waal, Ton (2009) Calibrated imputation of numerical data under linear edit restrictions , Southampton, UK Southampton Statistical Sciences Research Institute 25pp. (S3RI Methodology Working Papers, M09/17).

Record type: Monograph (Working Paper)

Abstract

A common problem faced by statistical offices is that data may be missing from collected data sets. The typical way to overcome this problem is to impute the missing data. The problem of imputing missing data is complicated by the fact that statistical data often have to satisfy certain edit rules and that values of variables sometimes have to sum up to known totals. Standard imputation methods for numerical data as described in the literature generally do not take such edit rules and totals into account. In the paper we describe algorithms for imputation of missing numerical data that do take edit restrictions into account and that ensure that sums are calibrated to known totals. The methods sequentially impute the missing data, i.e. the variables with missing values are imputed one by one. To assess the performance of the imputation methods a simulation study is carried out as well as an evaluation study based on a real dataset.

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Published date: 23 October 2009

Identifiers

Local EPrints ID: 69194
URI: http://eprints.soton.ac.uk/id/eprint/69194
PURE UUID: 8c483d23-2ca4-473c-b021-5db6c074d235

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Date deposited: 23 Oct 2009
Last modified: 19 Jul 2017 00:13

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Contributors

Author: Jeroen Pannekoek
Author: Natalie Shlomo
Author: Ton De Waal

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