Tag: bar plot
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Before and after — stacked bar charts
A fellow data analyst asked a question? What do we do when we need to draw a stacked bar chart that has too many colors? How do we select the...
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The Problem With Slope Charts (by Nick Desbarats)
Slope charts are often suggested as a valid alternative to clustered bar charts, especially for “before and after” cases. So, instead of a clustered bar char like this we tend...
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Before and after: Alternatives to a radar chart (spider chart)
A radar chart (sometimes called “spider charts”) look cool but are, in fact, pretty lame. So much so that when the data visualization author Stephen Few mentioned them in his...
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An interesting solution of the data giraffe problem
A data giraffe is a situation where a very prominent data point shades everything else. I learned this term from a post by Pini Yakuel and immediately liked it a...
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Visualizations with perceptual free-rides
Dr. Richard Brath is a data visualization expert who also blogs from time to time. Each post in Richard’s blog provides a deep, and often unexpected to me, insight into...
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Graphing Highly Skewed Data – Tom Hopper
My colleague, Chares Earl, pointed me to this interesting 2010 post that explores different ways to visualize categories of drastically different sizes. The post author, Tom Hopper, experiments with different...
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Why bar charts should always start at zero?
In the data visualization world, not starting a bar chart at zero is a “BIG NO”. Some people protest. “How come can anyone tell me how to start my bar...
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Do you REALLY need the colors?
Seaborn is a Python visualization library based on matplotlib. It provides a high-level interface for drawing attractive statistical graphics. Look at this example from the seaborn documentation site >>> import...