Table 2. Normalized FR values for soil creep assessment (Lee, 2021).

Soil Creep Factors	Classes	Class ratio	Soil Creep ratio	Frequency ratio	Normalized classes
Composition	metamorphic rock	0.35	0.24	0.68	0.10
	sedimentary rock	0.22	0.37	1.65	0.90
	igneous rock	0.42	0.39	0.93	0.44
Rock Weathering	hard rock	0.09	0.10	1.10	0.63
	moderate rock	0.59	0.65	1.11	0.64
	soft rock	0.01	0.01	1.26	0.90
	weathered rock	0.31	0.24	0.77	0.10
Discontinuity and Slope Direction	reverse	0.58	0.27	0.47	0.10
	vertical	0.04	0.10	2.26	0.80
	horizontal	0.03	0.08	2.52	0.90
	face of slope	0.05	0.12	2.45	0.87
Discrete Surface Spacing	very dense,	0.02	0.05	2.03	0.81
	dense	0.04	0.08	2.01	0.80
	moderate	0.12	0.26	2.23	0.90
	sparse	0.68	0.31	0.45	0.10
Soil Depth to B Floor(cm)	<30	0.11	0.06	0.55	0.10
	30~60	0.62	0.49	0.78	0.22
	60~90	0.22	0.36	1.63	0.64
	>90	0.04	0.09	2.16	0.90
Soil Properties at B Floor	sandy loam	0.84	0.84	1.00	0.28
	sandy soil	0.12	0.06	0.49	0.10
	clay soil	0.03	0.10	2.80	0.90
Soil Moisture	dry	0.09	0.08	0.84	0.16
	semi-dry	0.51	0.37	0.72	0.10
	moderate	0.25	0.34	1.35	0.43
	semi-humid	0.07	0.16	2.24	0.90
	humid	0.07	0.06	0.74	0.11
Talus	presence	0.05	0.08	1.53	0.90
	absence	0.95	0.92	0.97	0.10
Topography	gradual hill	0.16	0.21	1.34	0.90
	hill land	0.29	0.28	0.96	0.57
	mountain land	0.44	0.19	0.43	0.10
Flat Horizontal	concaved	0.13	0.13	0.98	0.29
	convexed	0.16	0.20	1.25	0.90
	rectilineal	0.47	0.42	0.90	0.10
	mixed	0.23	0.25	1.05	0.45
Longitudinal Section Vertical	concaved	0.05	0.13	2.44	0.90
	convexed	0.15	0.14	0.94	0.13
	rectilineal	0.60	0.53	0.87	0.10
	mixed	0.19	0.20	1.04	0.19
Slope Angle	<10°	0.03	0.03	3.72	0.90
	10~20°	0.18	0.18	1.20	0.26
	20~30°	0.49	0.49	0.98	0.20
	>30°	0.19	0.19	0.59	0.10
Indirect Evidences	presence	0.03	0.52	19.38	0.90
	absence	0.97	0.48	0.49	0.10
Direct Evidences	presence	0.02	0.69	27.78	0.90
	absence	0.98	0.31	0.32	0.10