Visualizing Incomplete and Missing Data

flowingdata.com

Speaking of data viz:

Most of the time, the data you work with is not complete. There is missing data. Available values can be sparse across time and space the farther out you stretch. What do you do when this happens?

This is a wonderful guide on how to respect missing data in your visualizations. Hint: just removing nulls from your result set is rarely a good answer 😀

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