Using Treemaps to Visualize the Analytic Hierarchy Process

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1994

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Treemaps, a visualization method for large hierarchical data spaces, are used to augment the capabilities of the Analytic Hierarchy Process (AHP) for decision-making. Two direct manipulation tools, presented metamorphically as a "pump" and a "hook", were developed and applied to the treemap to support AHP sensitivity analysis. A usability study was conducted using a prototype AHP application; results showed that treemap representation of decision-support tools was acceptable for AHP users from both a visualization and data operation standpoint. Subjective preferences were high for AHP treemaps.

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