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Modifiable Areal Unit Problem (MAUP)

The modifiable areal unit problem (MAUP) affects the analysis of data that have been aggregated to a set of zones or areal units. The MAUP manifests itself through two related components, known as the scaling and aggregation (or zoning) problems. It has been observed that the number of areal units in a given study region affects the outcome of an analysis. The results are conditioned on the resolution or scale of the areal units; this is the scaling problem. There are also many different ways in which a study region can be partitioned into the same number of areal units; this is the aggregation or zoning problem. Data aggregation is often used in administrative data reporting so that the characteristics of any individual cannot be ...

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