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How to Make a Grid Map with Histograms in R, with ggplot

Layout multiple charts in a single view. Then adjust the scales appropriately for maximum comparability and a unified graphic.

World maps that show population by longitude and latitude are almost like a meme in cartography and data visualization. But in this tutorial, you take this a step further, and make a map that shows population by longitude and latitude at the country level.

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About the Author

Maarten is a data journalist and data visualization consultant from Belgium. He likes maps, ggplot and a good story.