The Visualization Trap

D
David Park
· 1 min read

A beautiful chart can lie as effectively as a misleading statistic. Truncated y-axes exaggerate small changes. Dual-axis charts imply correlations that may not exist. Three-dimensional bar charts distort proportions. Cherry-picked date ranges hide inconvenient trends.

As data practitioners, we have a responsibility to visualize data honestly. This means choosing chart types that accurately represent the underlying data, including appropriate context, labeling axes clearly, and resisting the temptation to make the data 'look more interesting' through visual tricks.

The goal of visualization is not to impress — it is to communicate. A simple, honest bar chart serves the audience better than an elaborate infographic that sacrifices accuracy for aesthetics.

Marginalia

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