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Table 4 Analysis of variable contributions and model assessment

From: Human brucellosis occurrences in inner mongolia, China: a spatio-temporal distribution and ecological niche modeling approach

 

ENM_1

ENM_2

Variable

Percent contribution

Permutation importance

Percent contribution

Permutation importance

Sheep10

23.4

10.5

22

8.1

Rumi05

20.2

9.8

22.6

4.8

Alt

15.3

25.2

13.8

32.9

Bio 15

14.7

8.7

11.8

6.8

Bio 7

9.5

3.1

12.1

9.5

Bio 3

7.3

6.0

6.2

1.9

Access

5.9

1.4

6.1

0.7

Bio 10

1.3

6.6

2.4

5.9

Pop

0.9

12.5

1.0

9.6

Bio 2

0.7

3.4

0.4

4.1

Cattle05

0.5

2.3

0

1.0

Evi mean

0.2

2.8

0.2

3.6

Cattle10

0.2

1.2

0.2

1.3

Prec mean

0.1

5.3

0.5

6.8

lst mean

0.1

0.6

0.1

1.8

Goat10

0

0.3

0.5

0.8

Mir mean

0

0.5

0

0.2

 

ENM_1

ENM_2

Training gain

2.634

2.614

Test gain

2.667

1.252

Training AUC

0.976

0.975

Test AUC

0.973

0.936