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Table 4 True and estimated σ A T 2 and σ E * 2 for five scenarios

From: Using pooled data to estimate variance components and breeding values for traits affected by social interactions

 

Scenario§

σ A T 2 §§

σ ^ A 2 ± s . e . ¯

σ E * 2 §§§

σ ^ E * 2 ± s . e . ¯

σ A DI = 0.00

1

10.00

10.10 ± 1.85

80.00

80.56 ± 6.69

σ E DI = 0.00

σ A DI = 0.50

2

7.00

7.43 ± 1.59

80.00

79.29 ± 6.08

σ E DI = 0.00

σ A DI = 0.50

3

13.00

13.05 ± 2.12

80.00

80.32 ± 7.30

σ E DI = 0.00

σ A DI = 0.00

4

10.00

9.70 ± 1.54

56.00

56.54 ± 5.24

σ E DI = 1.00

σ A DI = 0.00

5

10.00

9.81 ± 2.10

104.00

104.71 ± 8.03

σ E DI = 1.00

     
  1. § σ A D 2 and σ A I 2 were set to 1.00; σ E D 2 and σ E I 2 were set to 2.00; group members belonged to four different families.
  2. §§ σ A T 2 = σ A D 2 + 2 n 1 σ A DI + n 1 2 σ A I 2 .
  3. §§§ σ E * 2 = n σ E D 2 + 2 n 1 σ E DI + n 1 2 σ E I 2 .