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Table 6 Correlation coefficient of efficiency scores and rankings of FDH & EAT & RFEAT

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

 

FDH & EAT

FDH & RFEAT

EAT & RFEAT

Correlation coefficient of efficiency score

0.8561

0.8840

0.8813

Correlation coefficient of efficiency ranking

0.6852

0.7842

0.8286

  1. Calculated by Author