The modified star graph and the petal diagram: Two new visual aids for discrete alternative multicriteria decision making

The modified star graph and the petal diagram: Two new visual aids for discrete alternative multicriteria decision making

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Article ID: iaor2000360
Country: United Kingdom
Volume: 7
Issue: 1
Start Page Number: 20
End Page Number: 33
Publication Date: Jan 1998
Journal: Journal of Multi-Criteria Decision Analysis
Authors: ,
Abstract:

Many studies have looked into the provisions of visual aids to multicriteria decision making. However, most of them have separated the display of alternative profiles and criteria weight information into two displays. This makes the analysis of the relationship between the criteria and alternatives and the effect of changing the criteria weights on the decision difficult. In this study, displays that can incorporate the display of both alternative profiles and criteria weight information for discrete alternative multicriteria decision-making problems are examined. The simple additive model is the multicriteria analysis method used. The result is two new visual aids for representing data of multicriteria decision-making problems, the modified star graph and the petal diagram. This paper discusses the two displays and compares their strengths and weaknesses. The results of a preliminary test conducted to evaluate the effectiveness of the displays are also included.

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