Table 4 The multi-collinearity analysis among variables.

From: Impact of soil erosion on agricultural sustainability based on crop water productivity in semi-arid Iran

Variables

Tolerance

VIF

Elevation

0.739

1.34

Lithology

0.645

2.79

Land use

0.602

2.68

Hydrologic soil group

0.821

1.76

Soil depth

0.617

2.65

Drainage density

0.512

2.4

SAWC

0.358

3.27

Population density

0.466

2.65

Slope degree

0.731

1.29

R factor

0.387

4.64

Distance to road

0.784

2.65

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