When to Use Horizontal Bar Charts vs. Vertical Column Charts

Jan 31st, 2017 / Data Visualization
The vertical-column-chart-or-horizontal-bar-chart question is one of the most common questions I receive about bar charts. It depends on what type of variable you’re graphing. If you took a research methods or statistics class back in college, then you might remember learning about terms like nominal, ordinal, interval, or ratio variables. Some of these variables are better suited to vertical column charts while other variables are better suited to horizontal bar charts. Let’s look at a few examples.
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