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Table 3 Rank correlations with multivariate TMI (MULTI) within year groups for different TMI methods for scenarios 0 and 2

From: A comparison of methods to calculate a total merit index using stochastic simulation

Scenario

Years

YD

DRP

SI

0

All

1.000

1.000

0.989

 

11-15

1.000

1.000

0.962

 

16-20

1.000

1.000

0.963

 

21-25

1.000

1.000

0.945

 

26-30

1.000

1.000

0.950

2

All

1.000

1.000

0.983

 

11-15

1.000

1.000

0.948

 

16-20

1.000

1.000

0.943

 

21-25

1.000

1.000

0.914

 

26-30

1.000

1.000

0.932

  1. YD = approximate multitrait two-step procedure based on yield deviations; DRP = approximated multitrait two-step procedure based on de-regressed estimated breeding values; SI = selection index method.