Lisa Charlotte Rost for Datawrapper provides guidance for designing choropleth maps that most…
choropleth
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Choropleth map design considerations
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Choosing color palettes for choropleth maps
Choropleth maps, the ones where regions are filled with colors based on data,…
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Link
How we created an interactive map of Europe with 100k+ areas →
A lot of boundary areas, but still loads quickly.
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Bivariate choropleth how-to
Your standard choropleth map shows geographic areas colored by a single variable. You’re…
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Members Only
Choropleth Maps and Shapefiles in R
Fill those empty polygons with color, based on shapefile or external data.
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Easier online choropleth maps with Landline
Despite the frequent use of choropleth maps online, they’re still kind of tricky…
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Relationship Status Geography
Some places attract young singles, whereas others attract married couples and families. I was curious how this varied across the country, so I mapped it.
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Smoking rates and income →
Based on a study on smoking prevalence from 1996 to 2012, a map…
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Members Only
Small Maps and Grids
Maybe you want to make spatial comparisons over time or across categories. Organized small maps might do the trick.
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Link
A Choropleth in QGIS
Xaquín G.V. has a dead simple tutorial on how to make a choropleth map with open source QGIS.
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Members Only
How to Make an Interactive Choropleth Map
When presented with a static graphic, it can be useful to see specific values after you see overall patterns. This tutorial shows you how to add simple interactions to a choropleth map so you can get specifics for regions.
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Girls expected to live shorter lives in some counties?
We’ve seen life expectancy at the country and state levels, but the Institute for Health Metrics and Evaluation recently released life expectancy data at the county level.
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Metal bands per capita
By Reddit user depo_, this map showing metal bands per capita around the…
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Are gas prices really that high?
Since we’re on the subject of US gas prices, let’s take a look…
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Adults with college degrees, over time
The Chronicle of Higher Education lets you explore the percentage of adults with…
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Football supporter map of London
Map of London colored by what team the majority supports. Not much of…
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Mapping human development in America
In work with the American Human Development Project, Rosten Woo and Zachary Watson…
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How to Make a US County Thematic Map Using Free Tools
There are about a million ways to make a choropleth map. The problem is that a lot of solutions require expensive software or have a high learning curve. It doesn’t have to be that way.
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