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marcher  

Migration and Range Change Estimation in R
View on CRAN: Click here


Download and install marcher package within the R console
Install from CRAN:
install.packages("marcher")

Install from Github:
library("remotes")
install_github("cran/marcher")

Install by package version:
library("remotes")
install_version("marcher", "0.0-2")



Attach the package and use:
library("marcher")
Maintained by
Eliezer Gurarie
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2017-04-12
Latest Update: 2017-04-12
Description:
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.
How to cite:
Eliezer Gurarie (2017). marcher: Migration and Range Change Estimation in R. R package version 0.0-2, https://cran.r-project.org/web/packages/marcher. Accessed 05 Jun. 2026.
Previous versions and publish date:
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Complete documentation for marcher
Functions, R codes and Examples using the marcher R package
Some associated functions: Michela . SimulatedTracks . estimate_shift . fitNSD . getArea . getCov . getLikelihood . getMu . getRSI . getTau . locate_shift . marcher-package . plot.shiftfit . quickfit . scan_track . selectModel . simulate_shift . test_rangeshift . 
Some associated R codes: datasets.R . fitNSD.R . getCov.R . getLikelihood.R . getMu.R . init.R . marcher.R . reload.R . scan_track.R . simulate_shift.R .  Full marcher package functions and examples
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