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Table 3 Confusion matrices depicting model classification accuracy as the percentage of correct behavioral assignments for each behavior. Overall classification accuracies are displayed as estimates with 95% confidence intervals in parentheses

From: Hidden Markov models identify major movement modes in accelerometer and magnetometer data from four albatross species

Model-1: Accelerometer and Magnetometer

 

Visually-assigned

HMM-assigned

Flapping Flight

Soaring Flight

On-Water

Flapping Flight

87.6

6.9

0.9

Soaring Flight

12.4

93.1

7.4

On-Water

0

0

91.7

Overall accuracy: 91.9% (89.6, 93.8)

Model-2: Accelerometer only

 

Visually-assigned

HMM-assigned

Flapping Flight

Soaring Flight

On-Water

Flapping Flight

86.6

7.1

0.5

Soaring Flight

10.3

92.6

7.9

On-Water

3.1

0.3

91.7

Overall accuracy: 91.5% (89.1, 93.5)