Income-based models

Low Income

Middle Income

High Income

R²

0.8

0.5

0.6

Adjusted R²

0.73

0.44

0.59

RMSE

96.96

113.87

42.31

MEF

0.49

0.73

0.63

N

30

165

112

Cluster-based models

Low

Middle

High

Middle-High

R²

0.6

0.5

0.5

0.7

Adjusted R²

0.60

0.47

0.45

0.65

RMSE

128.31

107.04

31.93

47.60

MEF

0.60

0.71

0.72

0.56

N

45

120

73

59