Customizing the map output

Now that you've chosen an appropriate color palette for your choropleth map of median home values by Census tract in Marin County, you'll want to customize the output. In this exercise, you'll clean up some map elements and add some descriptive information to provide context to your map.

This exercise is part of the course

Analyzing US Census Data in R

View Course

Exercise instructions

Set the color guide to FALSE to avoid double-plotting of the legend.
Add an informative subtitle to your map.
Add an informative caption to your map.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Set the color guide to FALSE and add a subtitle and caption to your map
___(marin_value, ___(fill = estimate, color = ___)) + 
  ___() + 
  scale_fill_viridis_c(labels = scales::dollar) +  
  scale_color_viridis_c(guide = ___) + 
  theme_minimal() + 
  coord_sf(crs = 26911, datum = NA) + 
  labs(title = "Median owner-occupied housing value by Census tract", 
       ___ = "Marin County, California", 
       ___ = "Data source: 2012-2016 ACS.\nData acquired with the R tidycensus package.", 
       fill = "ACS estimate")

Edit and Run Code