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1.2 Instances of Proxy Variable
ОглавлениеZhang (2012) presents a two-phase life cycle model of integrated statistical micro data, which provides a total-error framework for combining data from multiple sources. The first phase concerns the respective input data before integration takes place. Here, we consider the instances of proxy variables in relation to the various processing steps and associated error sources at the second, integration phase (Figure 1.1).