Table 2

Simulation scenario 2.

t-distribution:

df = 2

df = 3

df = 4

Parameter

True Value

L2E

ML

L2E

ML

L2E

ML


g2

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)

g1

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)

g0

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)


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

Wu et al. BMC Genetics 2012 13:20   doi:10.1186/1471-2156-13-20

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