Probabilistic Record Linkage: Relationships between File Sizes, Identifiers, and Match Weights

Abstract excerpt

This study investigates relationships between file sizes, amounts of information contained in commonly used record linkage variables, and the amount of information needed for a successful probabilistic linkage project. We present an equation predicting the amount of information needed for a successful linkage project. Match weights for variables commonly used in record linkage are measured using artificially...

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