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