Download - Choroplethr Basics - Census.gov · Module 2 Author: U.S. Census Bureau Created Date: 20190428182247Z
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Choroplethr BasicsAri Lamstein
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Course Outline
1. Introduction
2. Choroplethr Basics
3. Variables and Vintages
4. Data Details
5. Learning More
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Choroplethr Basics
• Loading the package
• Viewing example data
• Mapping example data
• Customizing maps
![Page 4: Choroplethr Basics - Census.gov · Module 2 Author: U.S. Census Bureau Created Date: 20190428182247Z](https://reader035.vdocument.in/reader035/viewer/2022070923/5fbbf902f188f2050b511de2/html5/thumbnails/4.jpg)
Choroplethr Basics
• Loading the package
• Viewing example data
• Mapping example data
• Customizing maps
![Page 5: Choroplethr Basics - Census.gov · Module 2 Author: U.S. Census Bureau Created Date: 20190428182247Z](https://reader035.vdocument.in/reader035/viewer/2022070923/5fbbf902f188f2050b511de2/html5/thumbnails/5.jpg)
library(choroplethr) library(choroplethrMaps)
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VerificationCheckmark means “loaded”
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install.packages vs. libraryRun library each time you load Rstudio
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Choroplethr Basics
• Loading the package
• Viewing example data
• Mapping example data
• Customizing maps
![Page 9: Choroplethr Basics - Census.gov · Module 2 Author: U.S. Census Bureau Created Date: 20190428182247Z](https://reader035.vdocument.in/reader035/viewer/2022070923/5fbbf902f188f2050b511de2/html5/thumbnails/9.jpg)
?df_pop_state? Means “help”
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data(df_pop_state)Load the data
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View(df_pop_state)Click “region” and “value” to sort
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Choroplethr Basics
• Loading the package
• Viewing example data
• Mapping example data
• Customizing maps
![Page 13: Choroplethr Basics - Census.gov · Module 2 Author: U.S. Census Bureau Created Date: 20190428182247Z](https://reader035.vdocument.in/reader035/viewer/2022070923/5fbbf902f188f2050b511de2/html5/thumbnails/13.jpg)
state_choropleth(df_pop_state)?state_choropleth
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(region, value) pairs
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Choroplethr Basics
• Loading the package
• Viewing example data
• Mapping example data
• Customizing maps
![Page 16: Choroplethr Basics - Census.gov · Module 2 Author: U.S. Census Bureau Created Date: 20190428182247Z](https://reader035.vdocument.in/reader035/viewer/2022070923/5fbbf902f188f2050b511de2/html5/thumbnails/16.jpg)
?state_choropleth
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Customizing Maps
• Title and legend
• Scale
• Zoom
• Reference map
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state_choropleth(df_pop_state)
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state_choropleth(df_pop_state, title = "2012 State Population Estimates", legend = "Population")
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Customizing Maps
• Title and legend
• Scale
• Zoom
• Reference map
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state_choropleth(df_pop_state, num_colors = 7)
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state_choropleth(df_pop_state, num_colors = 2)
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state_choropleth(df_pop_state, num_colors = 1)
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Customizing Maps
• Title and legend
• Scale
• Zoom
• Reference map
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state_choropleth(df_pop_state, zoom = c(“california”, “oregon”, “washington”))
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?state.regions
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Customizing Maps
• Title and legend
• Scale
• Zoom
• Reference map
![Page 28: Choroplethr Basics - Census.gov · Module 2 Author: U.S. Census Bureau Created Date: 20190428182247Z](https://reader035.vdocument.in/reader035/viewer/2022070923/5fbbf902f188f2050b511de2/html5/thumbnails/28.jpg)
state_choropleth(df_pop_state, zoom = c(“california”, “oregon”, “washington”))
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state_choropleth(df_pop_state, num_colors = 1, zoom = c(“california”, “oregon”, “washington”), reference_map = TRUE)
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Choroplethr Basics
• Loading the package
• Viewing example data
• Mapping example data
• Customizing maps