Table 2 Linguistic scales relative used in this study.

From: A combination of fuzzy Delphi method and hybrid ANN-based systems to forecast ground vibration resulting from blasting

Linguistic variables

Scales

Very low

[(0.1, 0.1); 0.1; (0.2, 0.25)]

Low

[(0.15, 0.2); 0.3; (0.4, 0.45)]

Medium

[(0.35, 0.4); 0.5; (0.6, 0.65)]

High

[(0.55, 0.6); 0.7; (0.8, 0.85)]

Very high

[(0.75, 0.8); 0.9; (0.9, 0.90)]

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