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Methods for estimating missing data on migrants in the 1991 British census
International Journal of Population Geography : IJPG
|September 28, 2002
Summary
Data suppression in the 1991 British Census migration statistics hinders accurate analysis. A new computer program successfully recovers suppressed data and estimates missing values for improved research insights.
Area of Science:
- Demography
- Statistics
- Sociology
Background:
- The Special Migration Statistics dataset from the 1991 British Census utilizes data suppression techniques.
- These suppression methods are implemented to protect individual privacy but can impede comprehensive data analysis.
Purpose of the Study:
- To address the limitations imposed by data suppression on the Special Migration Statistics.
- To develop and present a computational method for recovering suppressed and estimating missing data points.
Main Methods:
- A novel computer program employing a series of data recovery and estimation techniques was developed.
- The program utilizes statistical methods to reconstruct suppressed entries and infer missing values within the dataset.
Main Results:
- The developed program successfully recovered suppressed data and provided reliable estimates for unobtainable values.
- The application of the program yielded valuable insights, including sample tables detailing migrant flows between district types, categorized by ethnicity.
Conclusions:
- The developed computational approach effectively overcomes the analytical barriers created by data suppression in the 1991 British Census migration data.
- This method enhances the utility of the Special Migration Statistics for detailed demographic and migration research.
Keywords:
CensusCensus MethodsComputer Programs And ProgrammingCultural BackgroundData AnalysisDemographic FactorsDeveloped CountriesEstimation TechnicsEthnic GroupsEuropeEvaluationInformationInformation ProcessingMigrantsMigrationMigration, InternalNorthern EuropePopulationPopulation CharacteristicsPopulation DynamicsPopulation StatisticsResearch MethodologyUnited Kingdom
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