Table 2 Methods for assigning accelerometer waveforms to behavioral categories based on waveform statistics

Manual

Reference patterning

[34, 98, 108, 127, 171]

Fixed-threshold

[31, 57, 83, 161]

Unsupervised machine learning algorithms

Cluster analysis

[164]

Supervised machine learning algorithms

Classification and regression trees

[24, 77, 172]

Random forests

[55]

Linear or quadratic discriminant analysis

[55, 132, 149]

Logistic regression

[55, 148]

Support vector machines

[162, 172]

Artificial neural networks

[55, 172]