Any visual that allows you to have a dual axis should also let you synchronize the axis. For instance if I'm showing visits and distinct patients per month it looks really odd. The patient count is lower than the visit count but the patient count shows up higher on the chart because the axis is not synchronized. The end user has to look at the axis to left and the right in order to determine what the value is and often finds the incorrect insight. This is a feature that Tableau has long had and Power BI should incorporate it soon!
lbendlin
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Fabric Copy Activity Upsert Needs Native Audit Col...
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Power BI Subscriptions enhancements sorely needed
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Ragged Hierarchy Display options in Matrix Visual
miguel
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Personalized Source List in Get Data