(Kernel) Isotope Niche Estimation

Applies methods used to estimate animal homerange, but instead of geospatial coordinates, we use isotopic coordinates. The estimation methods include: 1) 2-dimensional bivariate normal kernel utilization density estimator, 2) bivariate normal ellipse estimator, and 3) minimum convex polygon estimator, all applied to stable isotope data. Additionally, functions to determine niche area, polygon overlap between groups and levels (confidence contours) and plotting capabilities.


rKIN README

This package applies methods used to estimate animal homerange, but instead of geospatial coordinates, we use isotopic coordinates. The estimation methods include: 1) 2-dimensional bivariate normal kernel utilization density estimator, 2) bivariate normal ellipse estimator, and 3) minimum convex polygon estimator, all applied to stable isotope data. Additionally, functions to determine niche area, polygon overlap between groups and levels (confidence contours) and plotting capabilities.

To install and load rKIN in R, run the following (requires the devtools package):

devtools::install_github("salbeke/[email protected]")

require(rKIN)

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Reference manual

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install.packages("rKIN")

0.1 by Shannon E Albeke, a year ago


http://github.com/salbeke/rKIN


Report a bug at http://github.com/salbeke/rKIN/issues


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


Authors: Shannon E Albeke [aut, cre]


Documentation:   PDF Manual  


GPL (>= 3) license


Imports ggplot2, MASS, sp, rgeos

Depends on maptools

Suggests knitr, rmarkdown, testthat


See at CRAN