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Research on the Quality of Registers To Make Data Decisions in the Dutch Virtual Census.

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Presentation for the 58th Session of the International Statistical Institute, Dublin, Ireland.

Presentation for the 58th Session of the International Statistical Institute, Dublin, Ireland.

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  • 1. Research on the quality of registers to makedata decisions in the Dutch Virtual Census Presentation at the 58th World Statistics Congress of the International Statistical Institute in Dublin 23 August 2011 Eric Schulte Nordholt (e.schultenordholt@cbs.nl),Saskia Ossen (sjl.ossen@cbs.nl) and Piet Daas (pjh.daas@cbs.nl)
  • 2. Combining research Data decisionsDevelopment of on secundarya quality sources in theframework for Dutch Virtualadministrative Census of 2011data Research on the quality of registers to make data decisions in the Dutch Virtual Census 1
  • 3. Contents • Data considerations in the Dutch Census of 2011 • Introduction to the quality framework • Results Source hyper dimension • Results Metadata hyper dimension • Results Data hyper dimension • ConclusionsResearch on the quality of registers to make data decisions in the DutchVirtual Census 2
  • 4. Data considerations in the Dutch Census of 2011 (1) Last traditional census: 1971 Unwillingness (nonresponse) and reduction of expenses  no more traditional censuses Alternative: virtual census 1981 and 1991: Population Register and surveys Development 90’s: more registers → 2001 and 2011: integrated set of registers and surveys European Census Act → hypercubesResearch on the quality of registers to make data decisions in the DutchVirtual Census 3
  • 5. Data considerations in the Dutch Census of 2011 (2) Registers: • Population Register (PR), >16.6 million records • Jobs file, containing all employees • Self-employed file, containing all self-employed • Unemployment Benefit Register (UR) • Social Security Register (SR) • Education Register (ER) • New Housing Register (HR) Surveys: • Survey on Employment and Earnings (SEE) stopped • Labour Force Survey (LFS) • Housing surveyResearch on the quality of registers to make data decisions in the DutchVirtual Census 4
  • 6. Introduction to the quality framewok METADATA: Focuses on the SOURCE: - Focus on data source as a whole (availability of the) - Contact information related information required to - Delivery related aspects understand and use the - and more data in the data source DATA: - Technical checks - Accuracy related issuesResearch on the quality of registers to make data decisions in the DutchVirtual Census 5
  • 7. Results Source hyper dimension Important Suffers variables Low frequency Purpose seriously from are of delivery dataprovider selective missing unclear undercoverageResearch on the quality of registers to make data decisions in the DutchVirtual Census 6
  • 8. Results Metadata hyperdimensionTime period in Time differences Uniquesource can’t be in reporting keys can’ttransferred easily periods be easilyto the time point used forneeded linkingResearch on the quality of registers to make data decisions in the DutchVirtual Census 7
  • 9. Results Data hyper dimension - completenessResearch on the quality of registers to make data decisions in the DutchVirtual Census 8
  • 10. Results Data hyper dimension – accuracyResearch on the quality of registers to make data decisions in the DutchVirtual Census 9
  • 11. Results Data hyper dimension – accuracyResearch on the quality of registers to make data decisions in the DutchVirtual Census 10
  • 12. Conclusions • The virtual census has proved to be a successful concept in the Netherlands • The quality framework is a useful tool for making data decisions in the virtual census • The “quality study” started in this paper will be extended to be able to determine how all census variables will be derivedResearch on the quality of registers to make data decisions in the DutchVirtual Census 11
  • 13. Time for questions and discussionResearch on the quality of registers to make data decisions in the DutchVirtual Census 12

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