Spatial weight sensitivity pertains to the subjective reference frame of the decision maker including home, work, daily activity route, or other place of importance, which impacts the perception of the proposed courses of action. Decision makers may perceive certain locations as more favorable from a given perspective. For example, they may conceive the rainfall criterion as being more important in the rural areas than elsewhere.
Two spatial relations that capture the spatial sensitivity of criteria weights are the proximity of and the containment within the areas of interest. The former can be applied using different distance-decay functions. The latter can be implemented by a variable-size buffer analysis.
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