Table 3 Output of variable selection procedure based on the information criteria AIC showing the log-likelihood, AIC and ∆AIC values for the full model (indicated in bold), with all covariates, and for the models that included all but one covariate.

From: Classifying grey seal behaviour in relation to environmental variability and commercial fishing activity - a multivariate hidden Markov model

Model

Log-likelihood

AIC

∆AIC

Full model

−625489.4

1251170.8

0

- bathymetry

−625944.8

1252069.6

898.8

- seabed slope

−625541.0

1251262.0

91.2

- sex

−625521.9

1251223.8

53

- sea surface salinity

−625496.6

1251173.2

2.4

- sea surface temperature

−625519.0

1251218.0

47.2

- distance to active fishing net

−625514.0

1251208.0

37.2

- sediment type

−625603.6

1251351.2

180.4