课程: Data Visualization in R with ggplot2

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Obtaining a Google Maps API key

Obtaining a Google Maps API key

课程: Data Visualization in R with ggplot2

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Obtaining a Google Maps API key

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- [Instructor] When we build map-based visualizations, it's helpful to build upon the work of others. Cartographers have done this throughout history and when we build map-based visualizations in R, we can do the same thing. In our R-based map visualizations, we'll rely on Google Maps to provide base maps that we can place data on top of, and also to help us find locations on the map. We'll access Google Maps using their API. An API is an application programming interface and it's a way to request data from a service using a web call. Google wants to know who is using their API, so they require you to obtain an API key before using the service. For use at our scale, an API key is free so you can obtain your own. Let's walk through that process. First, you need to visit the Google Cloud console. If you're not already logged into your Google account, you'll be asked to either log into your existing account or create a new one. Next, you need to create a project that corresponds to your…

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