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After plotting Stacked Column Graph, e.g from the following data.
Here, %Share in column F is not the actual data, but the calculated X center positions of columns.
The actual data is presented as the column width stored in the column C ("w").
To set the column width from a dataset, set the dataset to Width field in Spacing tab in Plot Details.
You also need to set both Scaling Factor and Gap between Bars to 0.
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