Caffeine Overload

Analyzing caffeine in foods

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Trouble brewing

Amount of caffeine (mg.) in different foods

Data: Wikipedia

The Reddit community Dataisbeautiful used to host a "data visualization" battle, in which readers are challenged to work with a new dataset. July 2019's data battle challenges us to visualize the amount of caffeine in different foods. Data provided by the National Center for Biotechnology Information.

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Caffeine distribution by class

It's clear that energy drinks contain the most amount of caffeine, on average, than any other category.

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Caffeine in the "Hot Drink" class

Looking at the difference in caffeine levels between teas and coffee.

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Caffeine amount by class

This view of the data helps to better show the distribution within each category.