Migration and Range Change Estimation in R

A set of tools for likelihood-based estimation, model selection and testing of two- and three-range shift and migration models for animal movement data as described in Gurarie et al. (2017) . Provided movement data (X, Y and Time), including irregularly sampled data, functions estimate the time, duration and location of one or two range shifts, as well as the ranging area and auto-correlation structure of the movment. Tests assess, for example, whether the shift was "significant", and whether a two-shift migration was a true return migration.


Reference manual

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0.0-2 by Eliezer Gurarie, 4 years ago

Report a bug at https://github.com/EliGurarie/marcher/issues

Browse source code at https://github.com/cran/marcher

Authors: Eliezer Gurarie [aut, cre] , Farid Cheraghi [aut]

Documentation:   PDF Manual  

Task views: Handling and Analyzing Spatio-Temporal Data, Processing and Analysis of Tracking Data

GPL-2 license

Imports stats, Matrix, graphics, grDevices, plyr, mvtnorm, RColorBrewer, minpack.lm, zoo, numDeriv, magrittr, scales

Suggests knitr, rmarkdown, lubridate

See at CRAN