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dasymetric mapping

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  1. [data analysis] A method of reorganizing map data gathered from one data collection unit into inherently more precise areas. The boundaries of the original data collection units are modified using related supporting data, and the attribute values are redistributed within the newly drawn units. For example, a population attribute organized by census tract might be more visually meaningful when areas within which it is reasonable to infer that people do not live (water bodies, vacant land) have been erased.

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