More cartograms of New Zealand census data (district and city level)!
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Just a short note to say that I’ve finished creating an experimental map of New Zealand by the 66 Territorial Authorities (districts and cities), with area expanded or shrunk to be proportional to population at the 2013 census. This is in addition to the 16 Regional Council divisions I blogged about a couple of days ago. It’s available in the nzcensus R package.
So some static plots:
And an enhanced Shiny web-app:
Code for producing the static images:
# Latest version of nzcensus package:
devtools::install_github("ellisp/nzelect/pkg2")
library(nzcensus)
library(tidyverse)
library(viridis)
# we need make_legend() and colour_scale() as defined in
# http://ellisp.github.io/blog/2017/04/23/cartograms
comb_data_ta <- ta_cart@data %>%
left_join(TA2013, by = c("Name" = "TA2013_NAM")) %>%
as_tibble()
par(font.main= 1, fg = "grey75")
plot(ta_cart,
col = colour_scale(comb_data_ta$PropNoQualification2013))
title(main = "People with no qualification; areas sized by usual resident population")
make_legend(comb_data_ta$PropNoQualification2013,
title = "Percentage of all individuals\nwith no qualification",
location = "left", cex = 0.8)
par(font.main= 1, fg = "grey75")
plot(ta_cart,
col = colour_scale(comb_data_ta$PropLabourers2013))
title(main = "Labourers as a percentage of those with occupation;\nareas sized by usual resident population")
make_legend(comb_data_ta$PropLabourers2013,
title = "Percentage of all individuals\nwho are labourers",
location = "left", cex = 0.8)Also available for the Shiny app:
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