A bubble chart is used to represent two or three sets of data points on a single chart corresponding to a dimension. At least two metrics are required that form the two axes of the chart and the third metric, which is optional, determines the size of the bubble. A bubble is formed for each value of the dimension chosen.
Here's an example of Bubble chart of Countries-
The three metrics used in above bubble chart are -
-
AW: Conversions- present on the x-axis -
AW: Cost/conv.- present on the y-axis -
AW: Cost- size of the bubble
The dimension chosen is Country.
When to use a Bubble chart?
Use bubble chart whenever you want to represent two or three metrics corresponding to a dimension. Bubble charts are great at showing relationships within your data and to represent a large amount of data.
Bubble chart is great at finding outliers too. The above chart shows the outlier keyword - [iceland airport transfer] has high CTR (23%) and also a high CPC (€2.49) but still converts at a good CPA of €62.
How to create a bubble chart?
Add new widget and choose Bubble Chart in the widget type. Add the required dimensions and metrics in the widget and click on Done . Your Bubble chart is ready to use on the report.
Know more about other widget types in Clarisights.