#173_Basic_Cloropleth_map #173_Basic_Cloropleth_map2

A choropleth map is a map in which areas are shaded or patterned in proportion to the measurement of the statistical variable being displayed on the map. Your statistical variable must be in the slot @data of your spdf file (see graph #168 and #169). If you have it in an independant dataframe, you can easily merge it. Then you have to build a color palette (can use RColorBrewer) and realize the plot.

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