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Table 6 LSs and picture fuzzy numbers for evaluation

From: Understanding the financial innovation priorities for renewable energy investors via QFD-based picture fuzzy and rough numbers

LSs for criteria

LSs for factors

Picture fuzzy numbers

µ

η

Ν

π

Very low (VO)

Weakest (K)

0.1

0.1

0.5

0.3

Low (O)

Poor (R)

0.2

0.2

0.4

0.2

Middle (D)

Fair (I)

0.3

0.3

0.3

0.1

High (G)

Good (GD)

0.6

0.2

0.2

0

Very High (VG)

Best (S)

0.8

0.1

0.1

0