8. More R Maps and Case Study

Topics and Notes

1. Choropleth and Scatter Maps with Mapview()
• a. Choropleth Maps HTML RMD SOURCE
• b. Scatter Maps HTML RMD SOURCE
2. Interactive maps- a case study HTML (on RPubs) RMD SOURCE
• a. Shapefile and map boundary
• b. Process of visual design
• c. Design considerations

Assignments:

1. [Required]: creating a reference map using the Philly Shooting data set (see details in the case study).
2. [Optional]: creating a choropleth map Data sets: | Presidential Election Data| FIPS to Geocode|
• a. Extract on 2020 presidential election data: year
• b. Only include Democrats and Republican votes: party
• c. Include variables: state_po, county_name, county_fips, party, candidatevotes
• d. Merge the above data with FIPS to Geocode Datausing the FIPS as the primary key.
• e. Create an interactive choropleth map to display the presidential election results at the county level using two different colors to represent the two parties. You can choose any R library to accomplish this part of the assignment.
Assignment Due: Wednesday, 11:30 PM