EVOLUTION-MANAGER

Edit File: nc.R

## this object was created as follows: library(sf) # nc = st_read(system.file("shapes/", package="maptools"), "sids") # st_crs(nc) = 4267 # "+proj=longlat +ellps=clrk66" or "+proj=longlat +datum=NAD27" # print(nc, n = 3) # st_write(nc, "nc.gpkg", "nc.gpkg", driver = "GPKG") # description of the dataset, see vignette in package spdep: # https://cran.r-project.org/web/packages/spdep/vignettes/sids.pdf datasource = { if ("GPKG" %in% st_drivers()$name) system.file("gpkg/nc.gpkg", package="sf") else system.file("shape/nc.shp", package="sf") } agr = c(AREA = "aggregate", PERIMETER = "aggregate", CNTY_ = "identity", CNTY_ID = "identity", NAME = "identity", FIPS = "identity", FIPSNO = "identity", CRESS_ID = "identity", BIR74 = "aggregate", SID74 = "aggregate", NWBIR74 = "aggregate", BIR79 = "aggregate", SID79 = "aggregate", NWBIR79 = "aggregate") nc = st_read(datasource, agr = agr)