Customize Combo Charts with Bars, Lines, and Stacks
Where: This change applies to Einstein Analytics in Lightning Experience and Salesforce Classic. Einstein Analytics is available in Developer Edition and for an extra cost in Enterprise, Performance, and Unlimited editions.
How: In the Series section of the widget properties, select each measure, and show it as a bar or line.
To stack all bars, select Stack bars in the Combo Chart section for combo charts or Time Combo Chart section for time combo charts.