Exercise

Mapping Senate winners, redux

In the last lesson you created a choropleth map for the Senate results using plot_geo() with a few workarounds. In this exercise, your task is to recreate that map from polygons. That is, create a U.S. map from polygons and fill in states based on the winner of the Senate race.

The senate_map data frame and plotly have already been loaded for you. senate_map contains the information you have seen previously, along with the boundary information needed to draw state polygons.

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Create a state-level choropleth map where party is mapped to color and region is mapped to split.
Specify that boundary lines should have width = 0.4 and that the legend should not be shown.

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Instructions 1/3

Exercise