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Table 4 Definition of weighing scale for pair-wise comparison

From: Suitability analysis for Jatropha curcas production in Ethiopia - a spatial modeling approach

Intensity of importance (numerical value)

Definition (verbal judgment of preference)

1

Equal preference

2

Somewhat moderate preference

4

Moderate preference

6

Strong preference

8

Very strong preference

9

Extreme preference

Reciprocals of the above

If criterion i has one of the above non-zero numbers assigned to it when compared with criterion j, then j has the reciprocal value when compared with i.

  1. Source: Modified by the author from Saaty ([1977]).