Transformation of Fuzzy Attributes and Fuzzy Decision Rules

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Transformation of Fuzzy Attributes and Fuzzy
Decision Rules

• Rong-Tsu Wang

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Type of Attributes

• Quantitative (Crisp)
• speed, ferry range, maximum payload cost
• point different units
• Qualitative (Fuzzy)
• reliability, maneuverability
• point transformation of attributes
• Problems
• 1. how to compare the two kinds of attributes
• 2. non-homogeneous units of measure

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Type of Scales

• Nominal Scales
• Ordinal Scales
• Internal Scales
• Ratio Scales
• the transformation of qualitative attributes into
  the ordinal or interval scale

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Transformation Methods-Bipolar Scale(1)
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Transformation Methods-Bipolar Scale(2)

• assumes that a scale value of 9.0 is three times
  as favorable as a scale value of 3.0
• assumes that the difference between