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Table 6 The posterior distributions for parameters of the Bayesian beta models

From: Bayesian analysis of herd-level risk factors for bovine digital dermatitis in New Zealand dairy herds

Parameter

Posterior distribution

  

Median

2.5th Percentile

97.5th Percentile

Mixed effects beta model

 γ0

Intercept

0.07

−1.13

1.36

 γ1

Heifers co-grazing

0.73

0.16

1.29

 γ2

Purchasing heifers

0.85

0.23

1.49

 φ

 

0.53

0.42

0.66

 τV

 

1.43

0.22

4.81

Fixed effects beta model

 γ0

Intercept

−0.38

−0.93

0.16

 γ1

Heifers co-grazing

0.72

0.15

1.28

 γ2

Purchasing heifers

0.84

0.22

1.48

 γc

Canterbury

0.82

0.11

1.55

 γw

Waikato

0.50

−0.08

1.09

 φ

 

0.53

0.42

0.66

  1. φ = a + b, where a and b are shape parameters of a beta distribution
  2. τV, precision term of the region level random effect defined as 1/variance
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BMC Veterinary Research

ISSN: 1746-6148

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