September 2018
Beginner to intermediate
140 pages
2h 52m
English
Content preview from Applied Data Visualization with R and ggplot2
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Activity: Creating a Variable-Encoded Regional Map
Scenario
A company wants to know which states buy their product the most. A colored map is a clear way of showing this information. Here, we use the data to create a map, differentiated with the percentage of voters that voted for Obama.
Aim
To create a map of the US that is colored according to the percentage of voters that voted for Obama.
Steps for Completion
- Merge the data sets.
- Use the ggplot options to create the map.
- For aesthetics, run the required code:
USStates$Statelower <- as.character(tolower(USStates$State))glimpse(USStates)## Observations: 50## Variables: 23## $ State <fct> Alabama, Alaska, Arizona,Arkansas, Californi...## $ HouseholdIncome <dbl> 43.253, 70.760, 49.774, ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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