An Application of Indirect Sampling Using the Generalized Weight Share Method

To select the sample needed for social-economic surveys, it is useful to have a sampling frame. Unfortunately, it happens that one does not have a list containing all units belonging to the target population, but rather another list of units linked in a certain way to the list of target population units. In this case, a sample can be selected from the population with perfect frame in order to produce an estimate for the interested target population by using the links existing between the two populations. If the linkage between the units of two populations is not one-to-one, the problem comes especially from the difficulty to associate a selection probability, or an estimation weight, to the sampled units of the target population. In this paper we describe indirect sampling, record linkage, Generalized Weight Share Method and their application by considering two populations that linked by record linkage method.