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fawda123/chloroex

Last active May 20, 2018 03:42
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chloroex
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chloroex
# load libraries
library(sf)
library(maps)
library(ggplot2)
# get states as sf
states <- st_as_sf(map('state', plot = F, fill = T))
# calculate area, add to states
area <- st_area(states)
area <- as.numeric(area) / 1e6
states$area <- area
# map
ggplot() +
geom_sf(data = states, aes(fill = area)) +
scale_fill_distiller(palette = 'Spectral')
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