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Isotropy is a term used in spatial statistical analysis to describe the property of a spatial process that produces outcomes that are independent of direction in space. In science and technology, an isotropic phenomenon is one that appears the same in all directions. For example, a material such as a fabric or sheet of paper that has the same strength in all directions would be said to be isotropic, as would a universe that from the point of view of a given observer appeared the same in any direction.

In GIS, the word is used to describe a spatial process that exhibits similar characteristics in all directions. In spatial statistical analysis, the second-order variation, the variation that results from interactions between the spatially distributed objects or ...

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