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added note re fortify issues

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Jeremy Kidwell 2019-01-29 08:10:55 +00:00
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mapping_draft.Rmd
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@ -283,6 +283,7 @@ Perhaps the first important question to ask of these groups is, where are they?
# plot simple choropleth map using ECS data points, as here: https://www.r-graph-gallery.com/327-chloropleth-map-from-geojson-with-ggplot2/ # plot simple choropleth map using ECS data points, as here: https://www.r-graph-gallery.com/327-chloropleth-map-from-geojson-with-ggplot2/
admin_lev1_fortified <- fortify(admin_lev1) admin_lev1_fortified <- fortify(admin_lev1)
# TODO: resolve issues with dropped columns - note https://stackoverflow.com/questions/22096787/how-keep-information-from-shapefile-after-fortify
admin_lev1_fortified <- join(admin_lev1_fortified,admin_lev1@data$ecs_count, by="id") admin_lev1_fortified <- join(admin_lev1_fortified,admin_lev1@data$ecs_count, by="id")
# draw map using sp data # draw map using sp data