From Data to Visualization
Ugly, Bad and Wrong Figures
Data visualization is a powerful tool for communicating information, but it can also be misused or executed poorly, leading to figures that are misleading, confusing, or just plain ugly. Here are some examples of "ugly," "bad," and "wrong" figures in data visualization
UGLY:
- Pie charts with too many slices: Pie charts are best for showing the composition of a whole with a few major categories. When you have too many slices (more than 6-8), it becomes difficult to compare them visually and the chart becomes visually cluttered.
BAD:
Line chart with 3D elements and gradient colors 3D elements and excessive visual effects: 3D charts and heavy use of gradients, textures, and other visual effects can distract from the data and make the chart difficult to read.
Missing labels or unclear legends: Charts should have clear labels for axes and data points, as well as a legend that explains what each symbol or color represents. Without these elements, it's impossible to understand the data.
Misleading chart types: Choosing the wrong type of chart for your data can lead to misinterpretations. For example, using a pie chart to show trends over time is not a good idea, as pie charts are not designed to show change.
Core Elements of a Good Data Visualization
Elevating Good to Great
Common Pitfalls in Data Visualization
Data visualizations can fall victim to issues such as misleading scales, too much visual trickery, or overwhelming visual clutter. Being able to spot these issues takes skill and attention. Always make sure you run your data visualizations past some unbiased viewers before presenting them. If your test viewers are left scratching their heads or seem overwhelmed, then you know that it isn’t working as intended.
Some data visualization basics to watch out for include:
To avoid these common pitfalls, always focus on the fundamentals: clarity and accuracy. Choose the right chart type for the data story you're telling and keep things as simple as possible, prioritizing clear communication over visual flair.
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