Skip to main content

Table 2 Parameter estimates and their standard errors of the multiallelic epistatic model for an outbred cross based on 1000 repeat simulations

From: Multiallelic epistatic model for an out-bred cross and mapping algorithm of interactive quantitative trait loci

  

H2 = 0.l

H2 = 0.4

Parameter

True Value

N= 400

N= 800

N= 2000

N= 400

N= 800

N= 2000

QTL 1 Position

30

29.64 (5.66)

29.90 (4.27)

29.86 (2.51)

30.00 (3.27)

30.04 (2.14)

29.99 (1.32)

QTL 2 Position

70

70.26 (5.73)

70.13(4.16)

70.04 (2.37)

70.07 (3.06)

70.03 (2.04)

69.96 (1.28)

μ

50.0

50.12 (3.02)

50.15 (2.08)

49.98 (1.25)

50.15 (1.26)

50.04 (0.82)

50.04 (0.51)

α 1

2.0

2.03 (3.27)

1.95 (2.20)

2.02 (1.37)

2.11 (1.35)

2.07 (0.85)

2.03 (0.55)

β 1

3.0

2.90 (3.33)

2.95 (2.21)

2.99 (1.39)

3.08 (1.33)

2.99 (0.90)

3.01 (0.54)

γ 1

4.0

3.72 (3.61)

4.08 (2.52)

3.95 (1.50)

3.89 (1.47)

3.99 (0.98)

3.98 (0.58)

α 2

-3.0

-3.11 (3.37)

-2.92 (2.11)

-2.99 (1.37)

-3.14 (1.34)

-3.04 (0.89)

-3.02 (0.53)

β 2

1.0

1.06 (3.26)

1.02 (2.13)

0.96 (1.36)

1.01 (1.36)

0.98 (0.88)

1.01 (0.53)

γ 2

-2.5

-2.62 (3.69)

-2.39 (2.44)

-2.57 (1.52)

-2.59 (1.42)

-2.48 (0.99)

-2.53 (0.60)

I αα

-2.0

-2.22 (3.62)

-2.30 (2.57)

-2.04 (1.58)

-2.15 (1.49)

-2.11 (0.95)

-2.02 (0.61)

I αβ

2.5

2.67 (3.64)

2.43 (2.44)

2.53 (1.52)

2.61 (1.47)

2.50 (0.94)

2.53 (0.59)

I βα

-3.0

-2.64 (3.61)

-3.10 (2.44)

-2.95 (1.53)

-2.94 (1.49)

-3.02 (0.95)

-2.98 (0.61)

I ββ

3.5

3.11 (3.48)

3.30 (2.47)

3.43 (1.51)

3.32 (1.47)

3.43 (0.95)

3.46 (0.60)

J αγ

-4.0

-3.82 (4.00)

-3.90 (2.77)

-3.91 (1.70)

-3.99 (1.56)

-3.97 (1.07)

-3.99 (0.67)

J βγ

-4.5

-4.07 (4.03)

-4.36 (2.66)

-4.47 (1.67)

-4.37 (1.50)

-4.41 (1.01)

-4.48 (0.65)

K γα

-2.0

-1.93 (4.10)

-2.02 (2.74)

-2.06 (1.67)

-2.12 (1.51)

-2.05 (1.06)

-2.01 (0.67)

K γβ

2.5

2.32 (4.12)

2.41 (2.68)

2.46 (1.68)

2.39 (1.46)

2.40 (1.02)

2.48 (0.64)

L γγ

-5.0

-4.42 (4.16)

-4.68 (3.07)

-4.88 (1.90)

-4.84 (1.69)

-4.90 (1.11)

-4.98 (0.73)

σ 2

1334.3

1242.64 (99.80)

1286.12 (71.09)

1314.93 (43.50)

   

σ 2

222.4

   

206.83 (17.44)

214.62 (11.88)

219.40 (7.45)

  1. Two QTLs are set at 30 cM and 70 cM in a chromosome of 100cM with 6 markers evenly spaced and the true parameters are set as in the second column.