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Table 3 Model comparisons using AIC 1

From: Indirect genetic effects contribute substantially to heritable variation in aggression-related traits in group-housed mink (Neovison vison)

  

Neck BMS

Body BMS

Tail BMS

Total BMS

Model

# Param.

Log L

AIC

Log L

AIC

Log L

AIC

Log L

AIC

1. cage

10

-24.9

47.9

-35.3

68.6

-28.0

54.0

-34.1

66.3

2. cage*sex

10

-45.8

89.6

-57.3

112.6

-36.5

70.9

-69.8

137.6

3. cage + cage*sex

11

-24.5

49.0

-33.4

66.8

-16.7

33.4

-31.1

64.0

4. IGE + cage

11

-1.4

2.7

0

0

-3.2

6.4

-0.1

0.2

5. IGE + cage*sex

11

0

0

-0.2

0.4

0

0

0

0

6. IGE + cage + cage*sex

12

0.06

1.9

0.2

1.5

-1

1.3

0.1

1.9

  1. 1Akaike’s information criterion (AIC) and likelihood value AIC were set to zero as reference for the best model; AIC = 2× # parameters – 2 × log-likelihood; thus lower values indicate a better model.