Use a grouped column chart to compare different groups of data side-by-side, or compare how the same variables changed over a period of time.
What are grouped column charts?
Grouped column charts are column charts that allow you to show multiple data series.

Customize grouped column charts
To customize a grouped column chart:
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Click the chart.
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Click the Edit Chart button. Using the Edit Chart menu, you can customize the chart's data, setup, and labels.
Edit Chart menu features
Each Edit Chart menu section allows you to customize a section of your chart.
Data:
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Icons
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Colors
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Category names
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Value numbers
Data can be edited by clicking a cell and manually entering, or copying and pasting from an external source. You can use your keyboard shortcuts (Command-V on Mac and Ctrl + V on PC) to paste data into the cells.

Setup:
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Axes
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Gridlines
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Column style

Labels:
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Category labels
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Value labels
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Scale labels
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Group category labels
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Group icon labels
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Scale labels
Note: the Value labels section provides options such as adding a prefix (eg. $) or suffix (eg. %) to the values, and setting the number of decimal places shown on the chart.

