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  • The US Census Data: What you should see is a "choropleth" map - a map that uses shades of a single color to represent numeric ranked data (low = light and high = dark) that encompasses the Portland area as it was defined in 1940.

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  • Uses TileLayerOverlay to show choropleth maps of various demographics from the 2000 US Census, and uses the tabs library for the interface.

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  • Users of the map can also adjust the colour mapping/opacity of the choropleth layers and size/colour of the points layer.

    US Election Results Google Map

  • These updates are simple, isolated, and small. choropleth map of the United States illustrating some data over time Getting Started: Best Practices

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  • This free software can be used to create interactive graphs, charts and thematic maps (choropleth maps, proportional symbol maps and qualitative/descriptive maps).

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  • The New York Times has compiled ZIP Code-based choropleth maps of the top DVD rentals for 2010. Geography

  • We created kernel density and choropleth maps for 24-hour periods and four-hour daily time periods and compared location of ambulance dispatches and patient residences with local land use and socioeconomic characteristics.

    PLoS ONE Alerts: New Articles

  • We then mapped these rates using a standard choropleth method based on CTs.

    PLoS ONE Alerts: New Articles

  • Many cartographers advise the use of 5-7 classes for choropleth maps.

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  • QUESTION 3 Figures 3a and 3b show the percentage of people living in areas of Reading who were born outside the UK • On Figure 3b, complete the key for a choropleth (density shading) (2 marks) • Using Figure 3a, and your key from Figure 3b, shade the areas to complete the map.

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