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