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Data integration manual

Note: see Data integration manual: 2nd edition for the current guidelines (published March 2015).

The Data Integration Manual provides a guide to data integration as carried out at Statistics New Zealand. The manual was written by Statistics NZ staff, following involvement in several large interagency data integration projects. The aim of the manual is to provide a guide to best practice and to share the insights gained from Statistics NZ’s experience. We hope the manual will assist agencies collaborating with Statistics NZ, and others interested in data integration, to understand the basic concepts, theory and processes involved in data integration, as well as providing practical advice.

The manual begins with an introduction to data integration that describes what data integration is and why data integration is carried out, and outlines the key steps involved. Chapter 2 introduces the legal environment and Statistics NZ policy on data integration. Chapter 3 describes operational aspects of Statistics NZ data integration projects. The remaining chapters focus on technical aspects of the linkage itself: the preparation of data needed before record linkage can be undertaken, the statistical theory of record linkage and the practical implementation of record linkage techniques.

Published August 2006

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