The matching of records in two data sets is considered, on the basis of common object identifiers (key variables). The scores on these object identifiers are assumed to be of good quality in both data sets, though they need not be perfect. To understand the context of this type of matching in the handbook, the reader is referred to the theme module “Micro-Fusion – Object Matching (Record Linkage)”. The present module is based on Willenborg and Heerschap (2012).
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