IUCN                    IUCN evaluation for frogs of the genus
                        Phyllomedusa
PAM                     PresenceAbsence object for frogs of the genus
                        Phyllomedusa
Phyllomedusa            Phyllomedusa
PresenceAbsence         PresenceAbsence Class
lets.addpoly            Add polygon coverage to a PresenceAbscence
                        object
lets.addvar             Add variables (in raster format) to a
                        PresenceAbscence object
lets.attrcells          Descriptors of position, centrality, and
                        isolation in attribute space
lets.attrpam            Attribute-space Presence–Absence Matrix
                        (attrPAM)
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.envcells           Environmental descriptors for Presence–Absence
                        in environmental space
lets.envpam             Create a presence–absence matrix in
                        environmental space
lets.field              Create species' values based on the species
                        co-occurrence within focal ranges
lets.gridirizer         Fits a grid into a PresenceAbsence object
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.maplizer.attr      Map species-level attributes over the
                        attribute-space grid
lets.maplizer.env       Map species attributes in both environmental
                        and geographic spaces
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.plot.attrcells     Map AttrPAM descriptor layers
lets.plot.attrpam       Plot attrPAM results
lets.plot.envcells      Map envPAM descriptors
lets.plot.envpam        Plot species richness in environmental and
                        geographical space
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.grid.points
                        Create a presence-absence matrix based on
                        species' point occurrences 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.summaryze.cells    Aggregate cell-wise metrics across occupied
                        cells per species
lets.transf             Transform values of a vector
letsR-package           Tools for Data Handling and Analysis in
                        Macroecology.
plot.PresenceAbsence    Plot an object of class PresenceAbsence
prec                    Annual Precipitation raster for the world.
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                    Mean temperature raster for the world.
wrld_simpl              Simplified world country polygons
