R语言chorolayer_R语言空间可视化:绘制英国脱欧投票地图
添加法国,它位于右下方,因此我们应该看到一点…
plot(FR,add=TRUE)
然后,我们可以检索英国退欧公投数据
referendum=ddply(referendum,.(Region,HASC_code),summarise,Remain=sum(Remain),Leave=sum(Leave))
我们可以发现,脱欧赢得了51.89%的选票
> sum(referendum$Leave)/(sum(referendum$Leave)+sum(referendum$Remain)) [1] 0.5189184
大家可以看一下,使用
plot(UK, col = map_data$Brexit, border = "gray1", xlim = c(-4,-2), ylim = c(50, 59), main="How the UK has voted?", bg="#A6CAE0") plot(IRL, col = "lightgrey", border = "gray1",add=TRUE) plot(FR, col = "lightgrey", border = "gray1",add=TRUE)
(我们添加了一个小图例以使其更清晰)。为此,我们可以使用制图软件包
plot(UK, col = "grey", border = "gray1", xlim = c(-4,-2), ylim = c(50, 59),bg="#A6CAE0") plot(IRL, col = "lightgrey", border = "gray1",add=TRUE) plot(FR, col = "lightgrey", border = "gray1",add=TRUE) choroLayer(spdf = UK, df = map_data, var = "Percentage_Remain", breaks = seq(0,100,10), col = cols, legend.pos = "topright", legend.title.txt = "", legend.values.rnd = 2, add = TRUE)
总结
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