Data Handling and Analysis in Macroecology


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Documentation for package ‘letsR’ version 5.0

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letsR-package Tools for Data Handling and Analysis in Macroecology.
IUCN IUCN avaliation for frogs of Phyllomedusa genus
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.pamcrop Crop a PresenceAbsence object based on an input shapefile
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 Tools for Data Handling and Analysis in Macroecology.
PAM PresenceAbsence object for frogs of Phyllomedusa genus
Phyllomedusa Geographic distribution of Phyllomedusa genus
plot.PresenceAbsence Plot an object of class PresenceAbsence
PresenceAbsence PresenceAbsence Class
PresenceAbsence-class PresenceAbsence Class
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.
wrld_simpl Simplified world country polygons