In andrepazv/changeRangeR:

The changeRanger package provides functionality for working with collections of species range maps. There are two main types of functions - those meant for large multispecies analyses (tested up to 200,000+) and for single species analysis. For full information on each function, see the associated help file.

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Multispecies functions

Set up

• setupSparseSpeciesMatrixStuff
• setupSummaryDirectories

Summaries of a cell

• richnessFromCBS
• richnessFromCBSAttr

Summaries of a species

• rangeArea
• rangeAreaInBinaryStack
• rangeAreaRaster

Utilities

• aggregateCells Aggregate cells and connect cell IDs at different scales
• fdMapPlot

Behind the scenes

These functions are only for users who want to write custom functions

• .speciesIndexTable Create a table linking species names with their index in CBS matrices; can optionally be used as a template for a speciesAttributeTable
• .cellIndexTable Create a table linking cell IDs with their index in CBS matrices and their longitude and latitude; can optionally be used as a template for a cellAttributeTable.
• .speciesByCellLongFormat Convert rasters to long format data frames. These long formats are needed before .cellBySpeciesMatrices because a matrix of cells (C) by species (S) may not fit into memory
• .cellBySpeciesMatrices Make cell by species (CBS) matrices split into a specified number of chunks over cells.
• .chunkFinder used internally to read in only the necessary chunks for a given analysis

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Single species functions

andrepazv/changeRangeR documentation built on May 7, 2022, 3:38 p.m.