Combo charts (bar + line) in Tableau - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a combo chart in Tableau?

A combo chart combines two chart types, usually bars and lines, in one view to show different data measures together for easy comparison.

beginner

Why use a combo chart instead of separate charts?

Combo charts let you see relationships between two measures in one place, saving space and making it easier to compare trends and values side by side.

intermediate

How do you create a combo chart in Tableau?

Drag one measure to Rows and another to Rows or Columns, then change the mark type of one measure to Line and the other to Bar. Use the dual axis feature to overlay them.

intermediate

What is the purpose of the dual axis in a combo chart?

Dual axis lets you overlay two different chart types on the same graph area, aligning their scales so you can compare them directly.

intermediate

What should you consider when choosing measures for a combo chart?

Choose measures with different units or scales that complement each other, like sales amount (bars) and profit margin (line), so the combo chart tells a clear story.

What chart types are commonly combined in a Tableau combo chart?

A Pie and Scatter

B Bar and Line

C Histogram and Map

D Tree Map and Gantt

Combo charts usually combine bar and line charts to show two measures together.

Which Tableau feature allows overlaying two charts in a combo chart?

A Highlight

B Filter

C Dual Axis

D Parameter

Dual Axis overlays two charts by aligning their axes.

When creating a combo chart, what do you change to show one measure as a line?

A Mark type

B Filter

C Color

D Tooltip

Changing the mark type to Line displays that measure as a line.

Why is it important to choose measures with different scales for a combo chart?

A To reduce the number of data points

B To confuse the viewer

C To avoid using colors

D To make the chart easier to read and compare

Different scales help show distinct measures clearly in one chart.

What is a key benefit of using combo charts in dashboards?

A They save space and show relationships between measures

B They replace all other charts

C They only show one measure

D They require no data preparation

Combo charts save space and help compare measures easily.

Explain how to build a combo chart in Tableau step-by-step.

Think about how to show two different chart types together.

Describe when and why you would use a combo chart in a business dashboard.

Consider the story the data tells when combined.