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Table 3 Statistical results of landslide susceptibility map produced by frequency ration, information value, and certainty factor methods

From: Landslide susceptibility mapping using statistical methods in Uatzau catchment area, northwestern Ethiopia

  LSI Value LSI Factor class area (%) Validation data set (%) Training data set (%) AUC for validation landslide AUC for training landslide
Information value method −0.5-0.9 VLS 15.5 3.9 6.3 0.848323 0.808265
0.9–1.5 LS 24.3 7.9 11.8
1.5–2 MS 31.5 20.1 23.8
2.0–2.6 HS 21.1 40.8 31.8
2.6–4.1 VHS 7.6 27.3 26.3
Certainty Factor (CF) −2.2- −0.97 VLS 17.8 4.7 6.0 0.870348 0.871933
-0.97- −0.47 LS 31.0 12.3 16.4
-0.47-0.04 MS 28.8 17.5 24.8
0.04–0.74 HS 19.0 34.8 33.0
0.74–2.61 VHS 3.4 30.7 19.7
Frequency Ratio (FR) 3.1–4.3 VLS 22.7 5.4 9.3 0.888337 0.832718
4.3–4.8 LS 30.8 14.7 17.8
4.8–5.3 MS 22.4 19.5 20.0
5.3–6 HS 19.3 43.7 35.0
6–7.7 VHS 4.8 16.7 17.8
  1. LSI is landslide susceptibility index, VLS is very low susceptibility, LS is low susceptibility, MS is moderate susceptibility, HS is high susceptibility, VHS is very high susceptibility and AUC is the area under the curve