From the course: Interactive Dashboards with Plotly and Dash

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Choropleth maps

Choropleth maps

From the course: Interactive Dashboards with Plotly and Dash

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Choropleth maps

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- [Instructor] All right, so the last stop in our Plotly Express journey is taking a look at map-based visuals, and this is one area that I haven't taught in any of my prior courses. And to be quite honest, one of the reasons why is because I've been afraid to teach these. Maps can be quite finicky, but they are an extremely valuable way to visualize geographic data. Even before we had this whole field of data analytics and data science, maps have been used to communicate geographic data. And the fundamental unit of geographic data are latitude and longitude. Every single square centimeter of the Earth can be mapped by some form of latitude and longitude, and so the root of these visuals relates to latitude and longitude. And there are two primary modes in which we can think about these. Choropleth maps use geographic regions, so they will draw a border using coordinates for regions. So for example, U.S. states, international countries. We might look at, you know, provinces within…

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