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Table 1 Final parameters used for each of the boosted regression tree models

From: Preferred, small-scale foraging areas of two Southern Ocean fur seal species are not determined by habitat characteristics

Colony_season

Number of trees

Training set size

Variables excluded

AUC

Deviance

HD_AFS winter

500,000

5000

Frontal region

0.96

0.50

HD_AFS summer

329,440

5000

Frontal region

0.97

0.32

HD_SAFS winter

499,400

5000

Frontal region

0.96

0.54

HD_SAFS summer

160,000

2000

Frontal region

0.93

0.67

LD_SAFS winter

500,000

5000

Frontal region

0.97

0.44

LD_SAFS summer

205,060

2000

Frontal region

0.93

0.68

  1. HD_SAFS high-density Subantarctic fur seal colony, LD_SAFS the low-density Subantarctic fur seal colony, HD_AFS the high-density Antarctic fur seal colony, AUC the area under curve of the receiver operating characteristic