Table 2 Parameters for the first two principal components (PC1 and PC2) for the Baseline and AP phases

Dominants

PC1 (45.3%)

PC2 (30.6%)

PC1 (42%)

PC2 (24.1%)

Corr.

Cont.

Cos²

Corr.

Cont.

Cos²

Corr.

Cont.

Cos²

Corr.

Cont.

Cos²

Bite_actor

-0.589

9.57

0.347

0.327

4.37

0.107

0.764

17.36

0.583

0.168

1.47

0.028

Head-Knocks_actor

0.112

0.34

0.013

0.589

14.19

0.347

0.565

9.49

0.319

0.001

0.00

0.000

Displace actor

0.407

4.56

0.165

0.716

20.94

0.512

-0.029

0.02

0.001

0.924

44.31

0.853

Flee receiving

0.979

26.42

0.958

-0.023

0.02

0.001

-0.135

0.55

0.018

0.977

49.59

0.955

Walk dur

0.918

23.24

0.843

-0.337

4.65

0.114

-0.910

24.64

0.828

0.101

0.52

0.010

Eat dur

0.475

6.21

0.225

0.846

29.26

0.716

0.824

20.21

0.679

-0.120

0.74

0.014

Eat itself

-0.503

6.96

0.253

0.786

25.27

0.618

0.941

26.39

0.886

0.197

2.02

0.010

Floor investigation

-0.907

22.68

0.823

-0.178

1.30

0.032

0.212

1.34

0.045

0.161

1.35

0.026

Subordinates

PC1 (48.4%)

PC2 (19.1%)

PC1 (49.4%)

PC2 (27.8%)

Corr.

Cont.

Cos²

Corr.

Cont.

Cos²

Corr.

Cont.

Cos²

Corr.

Cont.

Cos²

Bite receiving

0.831

17.81

0.690

-0.155

1.58

0.024

0.772

15.10

0.596

-0.481

10.41

0.232

Head kocks receiving

0.889

20.40

0.790

-0.339

7.51

0.115

0.727

13.39

0.529

0.060

0.16

0.004

Displace receiving

0.899

20.87

0.809

0.353

8.15

0.124

0.726

13.34

0.527

0.599

16.11

0.358

Flee actor

0.637

10.48

0.406

0.402

10.57

0.162

0.762

14.71

0.581

0.472

9.99

0.222

Walk dur

0.487

6.12

0.237

0.766

38.37

0.586

0.575

8.37

0.331

0.749

25.19

0.561

Eat dur

0.691

12.34

0.536

-0.295

5.70

0.087

0.764

14.79

0.584

-0.458

9.42

0.210

Eat another pig

0.074

0.14

0.006

0.516

17.44

0.266

0.535

7.25

0.286

0.779

27.24

0.606

Floor investigation

0.677

11.83

0.459

-0.404

10.67

0.163

0.718

13.05

0.515

-0.181

1.47

0.033