Visualization is still a relatively young field, so people learn about and how to visualize data in a lot of different ways. For instance, there weren’t any visualization-specific courses when I was in school, so I picked up a lot ad hoc. Alli Torban, looking at responses to the 2018 Data Visualization Survey, shows how others learned. The top three: examples, collaboration with those more skilled, and books.
How practitioners learned data visualization
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Burger Place Geography
After looking at pizza places, coffee, and grocery stores, I had to look at burger chains across the country. The data was just sitting there.
Occupation Growth and Decline
We looked at shifts in job distribution over the past several decades, but it was difficult to see by how much each occupation group changed individually. This chart makes the changes more obvious.