Create a rectangular shaped distribution with equal area to a given area
Calculates the maximum pairwise great circle distance from a set of decimal degree coordinates
Performs convex hull area calculation from coordinate sets on the Earth's surface
Calculates degree x degree cell counts of a specified size
Removes duplicate geographic locations and binds coordinates into a single element
Creates an occurrence matrix of taxa by coordinates from the Paleobiology Database
Creates a sparse pairwise distance matrix of a coordinate set
Plots the minimum convex hull of a set of coordinates
Prints Hello, world!
Function to tabulate number of occurrences/locations, six geographic range measures, minimum and maximum latitude and longitude for each taxon in a dataset
Calculates six geographic range measures at resampled a number of time from specified sample sizes
Function to find points along a horseshoe shape
Function to randomly generate points within a horseshoe-shape
Calculates the latitudinal range in degrees and kilometers
Calculates the longitudinal range in degrees and kilometers, assuming a latitude of 45 degrees for all points by default. Accounts for the possibility of wrapping around the globe.
Occurrence data on bivalves from the Ypresian
Data from the Paleobiology Database via the velociraptr package on May 17th, 2017
Performs Convex Hull area calculation
Calculates the minimum spanning tree distance, in kilometers, using Prim's Algorithm [1]
Calculates the minimum spanning tree distance, in kilometers, using Prim's Algorithm [1] and a previously calculated pairwsie distance matrix
Function to calculate the correlation coefficient for pairwise comparisons between geographic range measures
Function to calculate the skewness and coefficient of variance for a set of geographic range calculations
GeoRarefaction_SingleTaxon
Calculates six geographic range measures at specified sample sizes for a single taxon
Function to calcuate the area of a given horseshoe shape
Function to compile the PBDB_PEE_SingleTaxon output for a list of taxa
Function to calculate PEE [1] matrices for all the geographic range measures
Calculates the geodesic distance between two points specified by latitude and longitude using the Haversine formula
Calculates the geodesic distance between two points specified by latitude/longitude using Vincenty inverse formula for ellipsoids
Plots the minimum spanning tree of a set of coordinates
Plots the measured value versus rarefied samples or percent error of estimates (PEE) of a rarefied samples for a geographic range measure
Function to randomly generate points within a given rectangular shaped distribution
Converts degrees to radians