Table 5 Importance of independent variables.

From: Flood-prone area mapping using a synergistic approach with swarm intelligence and gradient boosting algorithms

Variables

Importance

Aspect

14.65

Distance to river

9.7

TWI

9.51

Altitude

9.006

Rainfall

8.77

Soil texture

8.18

Plan curvature

7.1

NDVI

7.07

Land cover

6.96

Profile curvature

6.87

Slope

5.16

SPI

3.72

Lithology

3.17

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