Transcription of rworldmap: A New R package for Mapping Global Data
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rworldmap: A New R package for Mapping Global Data
CONTRIBUTEDRESEARCHARTICLES35rworldmap: A New R package forMapping Global Databy Andy SouthAbstractrworldmapis a relatively new pack-age available on CRAN for the Mapping and vi-sualisation of Global data. The vision is to makethe display of Global data easier, to facilitate un-derstanding and communication. The initial fo-cus is on data referenced by country or grid dueto the frequency of use of such data in Global as-sessments. Tools to link data referenced by coun-try (either name or code) to a map, and then todisplay the map are provided as are functions tomap Global gridded data.
BIODIVERSITY Figure 1: Output of mapCountryData() Mapping gridded data The mapGriddedData function can accept either 1.an object of type "SpatialGridDataFrame", as defined in the package sp 2.the name of an ESRI GridAscii file as a charac-ter string 3.a 2D R matrix or array (rows by columns) rworldmap contains a "SpatialGridDataFrame"
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