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Table 3 The empirical powers of the robust CUSUM test and the CUSUM test for dependent innovations

From: A robust test for mean change in dependent observations

 

CUSUM

RCUSUM

T  = 300

T  = 500

T  = 1,000

T  = 300

T  = 500

T  = 1,000

The change point \(\tau_{0}=0.3\)

α = 1.97

0.849

0.991

0.998

0.951

0.999

1.000

α = 1.83

0.692

0.919

0.977

0.964

1.000

1.000

α = 1.41

0.222

0.361

0.530

0.957

0.995

1.000

α = 1.14

0.047

0.065

0.076

0.964

0.998

1.000

The change point \(\tau_{0}=0.5\)

α = 1.97

0.988

0.997

0.997

0.991

1.000

1.000

α = 1.83

0.913

0.966

0.979

0.985

1.000

1.000

α = 1.41

0.360

0.531

0.651

0.994

1.000

1.000

α = 1.14

0.097

0.108

0.133

0.996

1.000

1.000

The change point \(\tau_{0}=0.7\)

α = 1.97

0.972

0.995

0.999

0.958

0.999

1.000

α = 1.83

0.875

0.944

0.978

0.962

0.997

1.000

α = 1.41

0.300

0.446

0.542

0.964

0.999

1.000

α = 1.14

0.063

0.080

0.104

0.972

1.000

1.000