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Table 4 Summary of results for terminal nodes of the decision tree in Fig. 4

From: Comparative Efficiency Analysis of OECD Health Systems: FDH vs. Machine Learning Approaches with Efficiency Analysis Trees (EAT and RFEAT)

Node ID

N(t)

%

Life expectancy

R(t)

ISO 3166-1 A-3 Country Code

Corresponding to the Node

5

4

11

81

0.51

CHL COL CRI GRC

6

2

6

75.4

0.03

MEX HUN

7

5

14

78.9

1.95

EST LVA LTU POL TUR

9

4

11

84.5

0.56

JPN BEL IRL PRT

10

3

8

82.6

0.91

CZE ISR SVN

13

2

6

83.9

0.04

LUX CHE

14

10

28

83.3

0.59

CAN AUT DNK DEU ISL ITA NLD NOR ESP NZL

15

6

17

83.6

1.57

USA KOR FIN FRA SWE AUS

  1. Derived using EAT algorithm