Function reference • letsR

All functions

PAM: PresenceAbsence object for frogs of Phyllomedusa genus

Phyllomedusa: Geographic distribution of Phyllomedusa genus

PresenceAbsence PresenceAbsence-class: PresenceAbsence Class

IUCN: IUCN avaliation for frogs of Phyllomedusa genus

lets.pamcrop(): Crop a PresenceAbsence object based on an input shapefile

lets.addpoly(): Add polygon coverage to a PresenceAbscence object

lets.addvar(): Add variables (in raster format) to a PresenceAbscence object

lets.classvar(): Frequency distribution of a variable within a species' range

lets.correl(): Compute correlogram based on the Moran's I index

lets.distmat(): Compute a geographic distance matrix

lets.field(): Create species' values based on the species co-occurrence within focal ranges

lets.gridirizer(): Fits a grid into a PresenceAbsence object

lets.iucn(): Download species' information from the IUCN RedList online database (No longer supported)

lets.iucn.ha(): Download species' habitat information from the IUCN RedList online database (No longer supported)

lets.iucn.his(): Download species' temporal trend in conservation status from the IUCN RedList online database (No longer supported)

lets.iucncont(): Transform IUCN RedList conservation status to continuous values

lets.load(): Load a PresenceAbsence object

lets.maplizer(): Create a matrix summarizing species' attributes within cells of a PresenceAbsence object

lets.midpoint(): Compute the midpoint of species' geographic ranges

lets.overlap(): Compute pairwise species' geographic overlaps

lets.presab(): Create a presence-absence matrix of species' geographic ranges within a grid

lets.presab.birds(): Create a presence-absence matrix of species' geographic ranges within a grid for the Birdlife spatial data

lets.presab.grid(): Create a presence-absence matrix of species' geographic ranges within a user's grid shapefile (beta version)

lets.presab.points(): Create a presence-absence matrix based on species' point occurrences

lets.rangesize(): Compute species' geographic range sizes

lets.save(): Save a PresenceAbsence object

lets.shFilter(): Filter species' shapefiles based on its presence, origin, and season

lets.subsetPAM(): Subset a PresenceAbsence object based on species names

lets.summarizer(): Summarize variable(s) values in a presence-absence matrix within species' ranges

lets.transf(): Transform values of a vector

letsR-package letsR: Tools for Data Handling and Analysis in Macroecology.

plot(<PresenceAbsence>): Plot an object of class PresenceAbsence

print(<PresenceAbsence>): Print for object of class PresenceAbsence

print.summary(<PresenceAbsence>): Print summary for object of class PresenceAbsence

summary(<PresenceAbsence>): Summary for object of class PresenceAbsence

temp: Avarege temperature raster for the world.

temp: Simplified world country polygons