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Table 2 Result of the best-fit model to explain the variation of heart rate (HR)

From: The variability of muscle–blubber interface temperature with activity level in a captive Risso’s dolphin (Grampus griseus)

 

Estimate

SE

T

P

Intercept

3.937

0.026

149.6

 < 0.05

  

EDF

F

P

s (time of day)

 

3.459

2.801

 < 0.05

s (Tw)

 

0.632

0.169

0.105

s (EA6)

 

0.628

0.386

0.064

  1. AIC of the generalized additive models (GAMs) explaining the variation of HR was lowest when all variables of the time of day, water temperature (Tw), and external acceleration averaged over 6 s (EA6) were included. The effective degree of freedom (EDF) is a proxy for the degree of non-linearity of the term effect. The adjusted R2 of the model was 0.206