Research on the Impact of Random Negative Training Samples on the Spatial Quantitative Model of Landslide Hazards

Table 3

Model assessment index result.

In the training step				In the validation step
Number of sample points	AUC	Number of sample points	AUC	Number of sample points	AUC	Number of sample points	AUC
1	0.9589	21	0.9613	1	0.8861	21	0.8718
2	0.9713	22	0.9537	2	0.8992	22	0.8883
3	0.9658	23	0.9650	3	0.8968	23	0.8989
4	0.9589	24	0.9586	4	0.8927	24	0.8953
5	0.9613	25	0.9718	5	0.9029	25	0.8995
6	0.9582	26	0.9607	6	0.8848	26	0.8841
7	0.9613	27	0.9528	7	0.8908	27	0.8810
8	0.9467	28	0.9689	8	0.8743	28	0.8963
9	0.9642	29	0.9596	9	0.8968	29	0.8894
10	0.9629	30	0.9456	10	0.8913	30	0.8883
11	0.9564	31	0.9584	11	0.8893	31	0.8821
12	0.9634	32	0.9514	12	0.8816	32	0.8810
13	0.9611	33	0.9611	13	0.8975	33	0.8903
14	0.9433	34	0.9435	14	0.8787	34	0.8803
15	0.9641	35	0.9646	15	0.8919	35	0.8948
16	0.9711	36	0.9489	16	0.9047	36	0.8737
17	0.9698	37	0.9400	17	0.9030	37	0.8818
18	0.9690	38	0.9580	18	0.8929	38	0.8786
19	0.9704	39	0.9572	19	0.8991	39	0.8846
20	0.9695	40	0.9592	20	0.8997	40	0.8917
AUCMean = 0.9597				AUCMean = 0.8897
AUCSD = 0.0081				AUCSD = 0.0085