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Table 2 Simulation scenario 2.

From: Genetic mapping of complex traits by minimizing integrated square errors

t-distribution:

df = 2

 

df = 3

 

df = 4

 

Parameter

True Value

L2E

ML

L2E

ML

L2E

ML

g 2

35

35.0(0.0168)

39.3(4.0988)

35.0(0.0139)

35.1(0.0185)

35.0(0.0117)

35.1(0.0133)

g 1

30

30.0(0.0105)

30.0(0.0349)

30.0(0.0104)

30.0(0.0102)

30.0(0.0102)

30.0(0.0093)

g 0

25

25.0(0.0163)

19.0(4.4676)

25.0(0.0158)

24.9(0.0192)

25.0(0.0131)

25.0(0.0133)

sigma

-

1.2(0.0083)

2.6(0.0971)

1.1(0.0077)

1.5(0.0337)

1.1(0.0056)

1.3(0.0099)

Position

86

86.4(0.0649)

85.6(0.0971)

86.1(0.053)

86.2(0.0591)

86.1(0.0609)

86.4(0.0498)

  1. The L2 and ML estimates of QTL parameters from an F2population of 400 individuals with heritability of 0.4 for the phenotypic data simulated from t distributions. Numbers in the parentheses are the mean square errors (MSE) of the estimates