CONUS                   CONUS state codes
SimpleCountries         Simplified spatial dataset of country
                        boundaries.
SimpleCountriesEEZ      Simplified spatial dataset of EEZ/country
                        combined boundaries.
SimpleTimezones         Simplified spatial dataset of world timezones.
SpatialDataDir          Directory for spatial data
US_52                   US state codes
US_countyCodes          Dataframe of US county codes
US_countyConversion     Conversion functions for US county names and
                        FIPS codes.
US_stateCodes           Dataframe of US state codes
US_stateConversion      Conversion functions for US state names, codes
                        and FIPS codes.
codeToCountry           Convert country codes to country names
codeToState             Convert state codes to state nnames
convertEEZCountries     Convert Exclusive Economic Zones countries
                        shapefile
convertEPARegions       Convert EPA Region shapefiles
convertGACC             Convert Geographic Area Coordination Center
                        shapefile
convertLayer            Convert shapefile layer to simple features
                        dataframe
convertNaturalEarthAdm1
                        Convert Level 1 (state) borders shapefile
convertOSMTimezones     Convert OSM timezone shapefile
convertTMWorldBorders   Convert world borders shapefile
convertUSCensusCBSA     Convert US Core Based Statistical Areas
                        shapefile
convertUSCensusCongress
                        Convert US congressional districts shapefile
convertUSCensusCounties
                        Convert US county borders shapefile
convertUSCensusStates   Convert US Census state shapefile
convertWBDHUC           Convert USGS hydrologic unit geodatabase
convertWeatherZones     Convert NWS Public Forecast Zones Shapefile.
convertWikipediaTimezoneTable
                        Convert Wikipedia timezone table to dataframe
countryConversion       Conversion functions for country names, codes
                        and FIPS codes.
countryToCode           Convert country names to country codes
dissolve                Aggregate shapes in a simple features data
                        frame
getCountry              Return country names at specified locations
getCountryCode          Return country ISO codes at specified locations
getCountryName          Return country names at specified locations
getHUC                  Return HUCs at specified locations
getHUCName              Return HUC names at specified locations
getPolygonID            Get polygonID from SFDF of interest
getSpatialData          Return spatial data associated with a set of
                        locations
getSpatialDataDir       Get package data directory
getState                Return state names at specified locations
getStateCode            Return state ISO codes at specified locations
getStateName            Return state names at specified locations
getTimezone             Return Olson timezones at specified locations
getUSCounty             Return US county name at specified locations
getVariable             Return SFDF variable at specified locations
installSpatialData      Install spatial datasets
installedSpatialData    List locally installed spatial datasets
iso2ToIso3              Convert from ISO2 to ISO3 country codes
iso3ToIso2              Convert from ISO3 to ISO2 country codes
loadSpatialData         Load spatial datasets
setSpatialDataDir       Set package data directory
simplify                Simplify simple features data frame
simplifyAndSave         Save simplified versions of a spatial features
                        dataframe
stateToCode             Convert state names to state codes
summarizeByPolygon      Summarize values by polygon
