As the number of slope units continues to increase, the AUC value shows a decreasing trend from 0.9424 (56,570 slope units) to 0.9168 (69,013 slope units), indicating that the accuracy of the model evaluation will decrease when the number of slope units is greater than 56,570.
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Landslide Susceptibility Evaluation Using Different Slope Units Based on BP Neural Network.
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The sentences
Further analysis shows that the AUC value shows an increasing trend from 4,401 slope units to 56,570 slope units, with the smallest AUC value (0.773) at 4,401 and the maximum AUC value (0.9424) at 56,570.