Reference data

Classified data

1

2

3

4

Row Total

User Accuracy (%)

1

42

0

4

1

87

89.4

2

0

40

7

2

49

81.6

3

1

3

36

1

41

87.8

4

2

3

1

42

48

87.5

Column Total

45

46

48

46

185

overall Kappa Index = 0.82

Producer’s Accuracy (%)

93

87

75

91