Table 4 Random forest results for the aggregate and separate forage models for livestock mortality in Marsabit County, Kenya.

From: Leveraging browse and grazing forage estimates to optimize index-based livestock insurance

Model

RMSE

R2

Variables

Importance

RMSE

R2

Variables

Importance

1) Aggregate mortality from drought and disease

3) Cattle mortality from drought and disease

Aggregate models

 Aggregate NDVI

9.33

0.59

Aggregate NDVI

19.9%

13.41

0.61

Aggregate NDVI

16.8%

Human Landscapes

15.1%

Temperature

13.8%

Temperature

14.9%

Human Landscapes

12.1%

Season

14.8%

Seasonal Water

12.1%

Seasonal Water

14.1%

Season

11.2%

 Aggregate LAI

9.30

0.60

Aggregate LAI

19.2%

13.38

0.61

Aggregate LAI

16.7%

Human Landscapes

15.7%

Temperature

13.5%

Temperature

15.5%

Human Landscapes

11.9%

Seasonal Water

13.8%

Seasonal Water

11.9%

Season

13.4%

Season

10.4%

Partitioned models

 Partitioned LAI

5.88

0.83

Human Landscapes

21.7%

9.07

0.81

Herbaceous LAI

18.1%

Temperature

20.8%

Woody LAI

17.3%

Seasonal Water

19.9%

Temperature

17.2%

Herbaceous LAI

19.5%

Human Landscapes

14.6%

Woody LAI

19.5%

Seasonal Water

12.4%

Season

7.4%

Season

0.5%

 

2) Camels mortality from drought and disease

4) Shoats mortality from drought and disease

Aggregate models

 Aggregate NDVI

6.08

0.75

Temperature

8.0%

2.37

0.67

Aggregate NDVI

9.5%

Aggregate NDVI

6.4%

Temperature

7.4%

Seasonal Water

5.5%

Human Landscapes

6.8%

Human Landscapes

4.8%

Seasonal Water

5.6%

Season

-1.2%

Season

4.6%

 Aggregate LAI

6.03

0.76

Temperature

7.9%

2.37

0.67

Aggregate LAI

7.3%

Aggregate LAI

6.8%

Temperature

6.5%

Seasonal Water

5.3%

Human Landscapes

6.4%

Human Landscapes

4.9%

Seasonal Water

5.4%

Season

-1.5%

Season

3.8%

Partitioned models

 Partitioned LAI

4.43

0.84

Temperature

12.4%

1.65

0.82

Human Landscapes

9.8%

Seasonal Water

10.3%

Temperature

9.3%

Human Landscapes

7.6%

Woody LAI

9.2%

Woody LAI

7.3%

Herbaceous LAI

8.5%

Herbaceous LAI

6.8%

Seasonal Water

6.8%

Season

-0.5%

Season

4.5%