Quantitative Analysis of Tetrapod Trackways
Cluster tracks based on movement parameters
Calculate combined probabilities of similarity or intersection metrics...
Test for steady, acceleration, or deceleration along trajectories
Plot direction data in tracks.
Plot Simulated Tracks
Plot tracks and footprints
Plot trajectories colored by velocity or relative stride length
Similarity metric using Dynamic Time Warping (DTW)
Similarity metric using Fréchet distance
Simulate tracks using different models
Subset tracks
Test for differences in direction means with pairwise comparisons
Test for differences in velocity means with pairwise comparisons
Transform a *.tps file into a track R object
Calculate intersection metrics in tracks
Print track parameters
Calculate velocities and relative stride lengths for tracks
A quantitative and automated tool to extract (palaeo)biological information (i.e., measurements, velocities, similarity metrics, etc.) from the analysis of tetrapod trackways. Methods implemented in the package draw from several sources, including Alexander (1976) <doi:10.1038/261129a0>, Batschelet (1981, ISBN:9780120810505), Benhamou (2004) <doi:10.1016/j.jtbi.2004.03.016>, Bovet and Benhamou (1988) <doi:10.1016/S0022-5193(88)80038-9>, Cheung et al. (2007) <doi:10.1007/s00422-007-0158-0>, Cheung et al. (2008) <doi:10.1007/s00422-008-0251-z>, Cleasby et al. (2019) <doi:10.1007/s00265-019-2761-1>, Farlow et al. (1981) <doi:10.1038/294747a0>, Ostrom (1972) <doi:10.1016/0031-0182(72)90049-1>, Rohlf (2008) <https://sbmorphometrics.org/>, Rohlf (2009) <https://sbmorphometrics.org/>, Ruiz and Torices (2013) <doi:10.1080/10420940.2012.759115>, Scrucca et al. (2016) <doi:10.32614/RJ-2016-021>, Thulborn and Wade (1984) <https://www.museum.qld.gov.au/collections-and-research/memoirs/nature-21/mqm-n21-2-11-thulborn-wade>.
Useful links