Bubble Chart

A bubble chart is a scatter chart where data points are replaced with bubbles and its color and sizes serve as additional data dimensions. A bubble chart does not have the category axis. The horizontal and vertical axes are value axes. In addition, a bubble chart contains an animated timeline, which displays the frequency of values.

To display express report data as a bubble chart, click the

Bubble Chart button on the View ribbon tab. The

Bubble Chart button appears in the top right corner of the working area, and clicking the button presents the report data as a bubble chart.

To start timeline animation, click the

button, to pause animation, click the

button. To move along the timeline, use the

slider.

The user can move along the plot area of the zoomed in bubble chart by clicking the left mouse button while holding down the CTRL key.

Operations with Bubble Chart

To set up bubble chart plot area borders and fill, use the Plot Area side panel tab.

NOTE. The option is available if in the metrics dimension the element is set, which determines bubble fill color.

To set up bubble fill, use the Color side panel tab.

NOTE. The option is available if in the metrics dimension the element is set, which determines bubble size.

Use the Size tab on the Format tab group of the side panel to set up bubble size. If the By Scale checkbox is not selected on the Size tab, bubble size is calculated automatically by value of elements of the Size metrics dimension.

To set up bubble chart axis parameters, use the X Axis and Y Axis side panel tabs.

To set up trend line, use the Trend Line side panel tab.

To set up tooltips, use the Tooltips side panel tab.

To set up bubble chart legend formatting, use the Color Legend and Size Legend side panel tabs.

Data drill down is an operation, which enables the user to move through the data levels: from totals to drilled down. Available drill down depth is determined by the hierarchy of the data source dimensions.

If the drill down is available for a bubble, its context menu contains the Drill Down item.

To drill down data:

Select the Drill Down context menu item of the bubble.
Double-click the bubble.

Drill up is an operation, which enables the user to move from the drilled down to the drilled up data.

To drill up data:

Select the Drill Up context menu item of the bubble.
Hold down the SHIFT key and double-click on the bubble to be drilled up.

NOTE. The option is available if the Timeline role is used for calendar dimension.

To manage displaying of timeline, use the checkbox in the title of the Time Line side panel tab:

To display the timeline, select the checkbox.
To hide a timeline, deselect the checkbox.

By default, the timeline is displayed on a bubble chart.