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IsoriX (version 0.4-1)

Isoscape Computation and Inference of Spatial Origins using Mixed Models

Description

Building isoscapes using mixed models and inferring the geographic origin of organisms based on their isotopic ratios. This package is essentially a simplified interface to several other packages. It uses 'spaMM' for fitting and predicting isoscapes, and assigning an organism's origin depending on its isotopic ratio. 'IsoriX' also relies heavily on the package 'rasterVis' for plotting the maps using lattice.

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Version

Install

install.packages('IsoriX')

Monthly Downloads

894

Version

0.4-1

License

GPL (>= 2)

Maintainer

Alexandre Courtiol

Last Published

September 11th, 2016

Functions in IsoriX (0.4-1)

GetElev

Download an elevation raster from internet
GNIP_Europe

European weather station data
GNIP_Model

The fitted isoscape model for GNIP_Europe
Calibfit

Fit the calibration model
elevationrastersmall

The raster of world elevation
Isofit

Fit the isoscape model
GNIP_World

World-wide weather station data
assignmentdata

Assignment dataset
IsoriX-package

Isoscape Computation and Inference of Spatial Origins using Mixed Models
calibrationdata

Calibration dataset
isorixpalette

Colour palettes for plotting
worldcountries

Borders of world countries
QueryGNIP

Filter the dataset to create an isoscape
oceanmask

Mask of world oceans
plot.methods

Plotting functions for IsoriX
print.isofit

Print and summary methods for IsoriX
Isoscape

Predicts the spatial distribution of isotopic values
Isorix

Infer spatial origins
Isosim

Simulate isotopic values
RElevate

Prepare the elevation raster