GeoRange0.1.0 package

Calculating Geographic Range from Occurrence Data

CellCount

Calculates degree x degree cell counts of a specified size

CHullArea

Performs Convex Hull area calculation

CHullAreaEarth

Performs convex hull area calculation from coordinate sets on the Eart...

CoordCollapse

Removes duplicate geographic locations and binds coordinates into a si...

CoordList_PBDB

Creates an occurrence matrix of taxa by coordinates from the Paleobiol...

deg2rad

Converts degrees to radians

EqualAreaRectangle

Create a rectangular shaped distribution with equal area to a given ar...

GCD

Calculates the maximum pairwise great circle distance from a set of de...

gcd_hf

Calculates the geodesic distance between two points specified by latit...

gcd_vif

Calculates the geodesic distance between two points specified by latit...

GeoCor

Function to calculate the correlation coefficient for pairwise compari...

GeoPerformance_SkewCV

Function to calculate the skewness and coefficient of variance for a s...

GeoRange_MultiTaxa

Function to tabulate number of occurrences/locations, six geographic r...

GeoRarefaction_MultiTaxa

Calculates six geographic range measures at resampled a number of time...

GeoRarefaction_SingleTaxon

Calculates six geographic range measures at specified sample sizes for...

hello

Prints Hello, world!

HorseShoeArea

Function to calcuate the area of a given horseshoe shape

LatRg

Calculates the latitudinal range in degrees and kilometers

LongRg

Calculates the longitudinal range in degrees and kilometers, assuming ...

MSTDist

Calculates the minimum spanning tree distance, in kilometers, using Pr...

MSTDist_FromMat

Calculates the minimum spanning tree distance, in kilometers, using Pr...

PEE_MultiTaxa

Function to compile the PBDB_PEE_SingleTaxon output for a list of taxa

PEE_SingleTaxon

Function to calculate PEE [1] matrices for all the geographic range me...

Plot_Rarefaction

Plots the measured value versus rarefied samples or percent error of e...

PlotConvexHull

Plots the minimum convex hull of a set of coordinates

PlotMST

Plots the minimum spanning tree of a set of coordinates

PtsAlgHorseShoe

Function to find points along a horseshoe shape

PWMatrix

Creates a sparse pairwise distance matrix of a coordinate set

RandHorseShoe

Function to randomly generate points within a horseshoe-shape

RandRec

Function to randomly generate points within a given rectangular shaped...

Calculates and analyzes six measures of geographic range from a set of longitudinal and latitudinal occurrence data. Measures included are minimum convex hull area, minimum spanning tree distance, longitudinal range, latitudinal range, maximum pairwise great circle distance, and number of X by X degree cells occupied.

  • Maintainer: James Boyle Developer
  • License: GPL-3
  • Last published: 2017-06-15