## 4 Results
### Correlation Analysis
\begin{table}
\begin{tabular}{l c c c c c c} \hline \hline
**Factors** & **Class** & \
\begin{tabular}{c} **No. of** \\ **Landslide** \\ \end{tabular} &
\begin{tabular}{c} **No. of Pixels** \\ **in Domain** \\ \end{tabular} & \(\mathbf{W^{+}}\) & \(\mathbf{W^{-}}\) & \(\mathbf{W_{f}}\) \\ \hline Slope angle (\({}^{\circ}\)) & 0–10 & 36 & 738,360 & 0.077 & \(-\)0.025 & 0.102 \\  & 10–20 & 63 & 914,163 & 0.423 & \(-\)0.246 & 0.669 \\  & 20–30 & 29 & 821,142 & \(-\)0.246 & 0.075 & \(-\)0.320 \\  & 30–40 & 11 & 468,077 & \(-\)0.653 & 0.081 & \(-\)0.734 \\  & 40–50 & 2 & 155,377 & \(-\)1.255 & 0.037 & \(-\)1.292 \\  & 50–60 & 0 & 24,357 & 0.000 & 0.008 & 0.000 \\  & 60–72.83 & 0 & 1710 & 0.000 & 0.001 & 0.000 \\ Slope aspect & Flat & 0 & 874 & 0.000 & 0.000 & 0.000 \\  & North & 16 & 443,863 & \(-\)0.225 & 0.033 & \(-\)0.258 \\  & Northeast & 16 & 405,251 & \(-\)0.134 & 0.019 & \(-\)0.153 \\  & East & 17 & 376,207 & 0.001 & 0.000 & 0.001 \\  & Southeast & 23 & 390,547 & 0.266 & \(-\)0.044 & 0.310 \\  & South & 32 & 374,222 & 0.639 & \(-\)0.130 & 0.769 \\  & Southwest & 13 & 344,928 & \(-\)0.181 & 0.020 & \(-\)0.201 \\  & West & 9 & 354,647 & \(-\)0.576 & 0.055 & \(-\)0.631 \\  & Northwest & 15 & 432,647 & \(-\)0.264 & 0.037 & \(-\)0.301 \\ Elevation (m) & 442–600 & 28 & 413,571 & 0.405 & \(-\)0.079 & 0.485 \\  & 600–800 & 48 & 512,157 & 0.730 & \(-\)0.237 & 0.968 \\  & 800–1000 & 31 & 377,619 & 0.598 & \(-\)0.119 & 0.717 \\  & 1000–1200 & 17 & 326,381 & 0.143 & \(-\)0.018 & 0.161 \\  & 1200–1400 & 15 & 398,407 & \(-\)0.182 & 0.024 & \(-\)0.206 \\  & 1400–1600 & 2 & 385,439 & \(-\)2.163 & 0.117 & \(-\)2.281 \\  & 1600–1800 & 0 & 376,083 & 0.000 & 0.128 & 0.000 \\  & 1800–2000 & 0 & 247,350 & 0.000 & 0.083 & 0.000 \\  & 2000–2200 & 0 & 78,216 & 0.000 & 0.025 & 0.000 \\  & 2200–2410 & 0 & 7963 & 0.000 & 0.003 & 0.000 \\ Plan curvature & \(-\)14.0– \(-\)0.05 & 58 & 144,0116 & \(-\)0.114 & 0.088 & \(-\)0.203 \\  & \(-\)0.05–0.05 & 13 & 215,290 & 0.291 & \(-\)0.025 & 0.316 \\  & 0.05–13.07 & 70 & 14,677,780 & 0.055 & \(-\)0.051 & 0.106 \\ Profile curvature & \(-\)14.28—\(-\)0.05 & 66 & 1,428,952 & 0.023 & \(-\)0.020 & 0.042 \\  & \(-\)0.05–0.05 & 16 & 177,891 & 0.689 & \(-\)0.062 & 0.751 \\  & 0.05–14.77 & 59 & 1,516,343 & \(-\)0.149 & 0.123 & \(-\)0.271 \\ TWI & \(<\)4 & 11 & 558,428 & \(-\)0.829 & 0.116 & \(-\)0.945 \\  & 4–5 & 50 & 1,000,955 & 0.101 & \(-\)0.052 & 0.153 \\  & 5–6 & 48 & 746,522 & 0.354 & \(-\)0.143 & 0.497 \\  & 6–7 & 20 & 393,490 & 0.119 & \(-\)0.018 & 0.137 \\  & \(>\)7 & 12 & 423,791 & \(-\)0.467 & 0.057 & \(-\)0.523 \\ SPI & \(<\)20 & 88 & 1,740,663 & 0.113 & \(-\)0.164 & 0.277 \\  & 20–40 & 20 & 497,521 & \(-\)0.116 & 0.021 & \(-\)0.137 \\  & 40–60 & 12 & 231,236 & 0.139 & \(-\)0.012 & 0.151 \\  & 60–80 & 5 & 133,800 & \(-\)0.189 & 0.008 & \(-\)0.197 \\  & \(>\)80 & 16 & 519,966 & \(-\)0.383 & 0.062 & \(-\)0.445 \\ STI & \(<\)10 & 90 & 1,722,652 & 0.146 & \(-\)0.215 & 0.361 \\  & 10–20 & 32 & 702,426 & 0.009 & \(-\)0.003 & 0.012 \\  & 20–30 & 6 & 295,062 & \(-\)0.798 & 0.056 & \(-\)0.853 \\  & 30–40 & 5 & 141,300 & \(-\)0.244 & 0.010 & \(-\)0.254 \\  & \(>\)40 & 8 & 261,746 & \(-\)0.390 & 0.029 & \(-\)0.419 \\ Distance to rivers (m) & \(<\)200 & 27 & 521,129 & 0.138 & \(-\)0.030 & 0.168 \\  & 200–400 & 22 & 463,390 & 0.050 & \(-\)0.009 & 0.059 \\  & 400–600 & 18 & 427,717 & \(-\)0.070 & 0.011 & \(-\)0.081 \\  & 600–800 & 19 & 374,831 & 0.116 & \(-\)0.017 & 0.133 \\  & \(>\)800 & 55 & 1,336,119 & \(-\)0.092 & 0.064 & \(-\)0.156 \\ Distance to roads (m) & \(<\)300 & 33 & 343,852 & 0.754 & \(-\)0.150 & 0.904 \\  & 300–600 & 16 & 279,559 & 0.237 & \(-\)0.027 & 0.264 \\  & 600–900 & 8 & 245,226 & \(-\)0.325 & 0.023 & \(-\)0.348 \\  & 900–1200 & 15 & 219,752 & 0.413 & \(-\)0.040 & 0.453 \\  & \(>\)1200 & 69 & 2,034,797 & \(-\)0.286 & 0.382 & \(-\)0.668 \\ \hline \hline \end{tabular}
\end{table} 
Table 1: Correlation between landslides and conditioning factors using the WoE model. Generally, a TOL value less than 0.1 or a VIF value larger than 10 is regarded as a symbol of multicollinearity [61].