阿拉斯加州和夏威夷州没有正确格式化R县的县Choropleth地图 [英] Alaska and Hawaii not formatting correctly for County Choropleth Map in R

问题描述

我试图将美国的Choropleth Map格式化为特定的颜色，不幸的是，当使用 scale_fill_brewer 改变颜色时;只有48个州（夏威夷和阿拉斯加没有）。是否有可能知道我是否可以将颜色实施到夏威夷和阿拉斯加？

  library（choroplethr）
 library（choroplethrMaps）
 library（ggplot2）
 data（ df_pop_county）
 
 county_choropleth（df_pop_county，title =Title1，legend =Top 20％of Index，num_colors = 9）+ 
 
 geom_polygon（aes（fill = value ），color =white）+ 
 
 scale_fill_brewer（name =Top Index，palette =YlOrRd）
  

解决方案

要使用此选项并正确更新所有状态，我们可以

使用您提到的特定托盘：

  choro = CountyChoropleth $ new（df_pop_county）
 choro $ title =2012人口估计
 choro $ ggplot_scale = scale_fill_brewer（name =Population，palette =YlOrRd，drop = FALSE）
 choro $ render（）
  

I am trying to format a Choropleth Map of the United States to a specific color and unfortunately, when using scale_fill_brewer to change the color; only 48 of the states do (Hawaii and Alaska do not). Is it possible to know if I can implement the coloring to Hawaii and Alaska as well?

library(choroplethr) 
library(choroplethrMaps)
library(ggplot2) 
data(df_pop_county)

county_choropleth(df_pop_county, title = "Title1", legend = "Top 20% of Index", num_colors = 9) + 

geom_polygon(aes(fill=value), color="white")  + 

scale_fill_brewer(name="Top Index", palette="YlOrRd")

解决方案

To use this option and have it properly update all states we can work with it as an R6 object as follows:

library(choroplethr) 
library(choroplethrMaps)
library(ggplot2) 
data(df_pop_county)

choro              = CountyChoropleth$new(df_pop_county)
choro$title        = "2012 Population Estimates"
choro$ggplot_scale = scale_fill_brewer(name="Population", palette=2, drop=FALSE)
choro$render()

Using the particular pallet you mentioned:

choro              = CountyChoropleth$new(df_pop_county)
choro$title        = "2012 Population Estimates"
choro$ggplot_scale = scale_fill_brewer(name="Population", palette="YlOrRd", drop=FALSE)
choro$render()

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