Table 5 Error-estimates of the Validation using Sample Data (VSD) for the regional maps of forest structural metrics using MAE (Mean Absolute Error) and RMSE (Root Mean Squared Error).

From: Maps of forest vertical structure for Colombia, a megadiverse country

Region

Forest structural metrics (units)

Range values

MAE

RMSE

min

max

mean

SD

mean

SD

Amazon Reg.

CH (m)

1.79

79.25

4.60

0.16

5.86

0.36

COVER (%)

0.01

0.97

0.21

0.00

0.25

0.00

FHD (index)

0.63

3.36

0.34

0.01

0.42

0.02

PAI (index)

0.01

7.38

1.39

0.03

1.69

0.03

RH50 (m)

0

36.98

4.38

0.12

5.04

0.11

Andean Reg.

CH (m)

0.2

83.1

3.96

0.16

5.68

0.25

COVER (%)

0

0.97

0.17

0.00

0.23

0.00

FHD (index)

0

3.36

0.24

0.01

0.37

0.02

PAI (index)

0

7.35

1.08

0.03

1.40

0.03

RH50 (m)

0

38.57

2.92

0.13

3.71

0.19

Caribbean Reg.

CH (m)

1.6

73.5

3.27

0.14

4.83

0.49

COVER (%)

0

0.97

0.16

0.00

0.22

0.01

FHD (index)

0

3.35

0.24

0.00

0.36

0.01

PAI (index)

0

7.19

0.92

0.03

1.26

0.04

RH50 (m)

0

33.38

2.22

0.09

3.17

0.15

Chocó Reg.

CH (m)

0.03

89.04

2.32

0.12

4.08

0.40

COVER (%)

0.01

0.97

0.09

0.00

0.14

0.01

FHD (index)

0

3.37

0.12

0.00

0.23

0.02

PAI (index)

0

7.38

0.66

0.02

1.01

0.03

RH50 (m)

0

32.56

1.81

0.17

2.95

0.29

Orinoquía Reg.

CH (m)

1.76

62.61

2.17

0.11

3.18

0.23

COVER (%)

0.01

0.97

0.15

0.00

0.21

0.00

FHD (index)

0

3.37

0.22

0.01

0.34

0.02

PAI (index)

0

7.38

0.93

0.01

1.25

0.02

RH50 (m)

0

32.56

1.92

0.07

2.56

0.11

Global Colombia.

CH (m)

1.72

89

5.33

0.29

7.41

0.71

COVER (%)

0

0.98

0.24

0.00

0.31

0.00

FHD (index)

0.66

3.38

0.37

0.01

0.46

0.01

PAI (index)

0

8.05

1.53

0.01

1.82

0.01

RH50 (m)

0

38.54

4.56

0.11

5.62

0.18

  1. We added the erros estimated for the entire Colombia to observe the error reduction of our regional approach.