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How to use an unpivot transform in Power BI Desktop Query Editor Part three of a three-part series of blogs |
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If you get data in pivot (two-dimensional) form, you can unpivot it to get the underlying rows, and hence produce charts and visuals. This blog shows how!
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This blog assumes that you know how to use Power BI Desktop, and just gives the summary steps to follow to create our chart. First choose the stacked column visual:

Choose this visual.
Choose fields to show in your chart:

Either drag the fields into the field well, or select them in the list.
You should now be looking at a chart like this:

A basic stacked column chart.
I then changed the Legend and Title properties, among others:
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| Legend properties | Title properties |
I've also added a Y axis title and a border to the visual to get the final chart:

The final chart, in all its glory!
A final thought: if you could only get your IT people to provide the data in its raw form, you wouldn't have to unpivot it!
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