Bubble Chart

Also known as Bubble Plot

1. What is a Bubble chart?

A bubble chart displays the relationship between 3 different numeric variables in the form of bubbles. The horizontal and vertical position of the chart shows the value of 2 numeric variables. The other variable is represented by the size of the individual bubbles.

When to use a Bubble chart?

  • Consider using a bubble chart when you have 3 numerical variables: one is represented by the X-axis, one by the Y-axis, and one by the dot size.

  • A bubble chart is great at showing the relationship between 2 variables with additional information from another variable.

2. How to build a Bubble chart with example

The bubble chart offers a visual representation of the relationship between cost, profit, and revenue, with each bubble representing a data point. The size of the bubble indicates the revenue, while the horizontal and vertical positions represent the cost and profit respectively, providing a comprehensive view of how these variables interrelate and aiding in identifying patterns or outliers within the data.

  1. Click Click here to add your first chart

  2. In the menu, select Bubble to create a bubble chart

3. Bubble Chart Config

  1. Select the database you use to create suggested in the list

  2. Choose the table containing the data you use to create, then it will show you the list of fields included in the table

  3. Drag/drop or select the X-Axis value

  4. Drag/drop or select the Y-Axis value

  5. Drag/drop or select the Value (the third numeric variable)

  6. Drag/drop or select the Legend properties (optional)

  7. Drag/drop or select the Sorting field to sort out the data in the chart (optional)

  8. Drag/drop or select the Filters field to emphasize a specific data (optional)

  9. You can see the visualization of your chart on the left side and select Settings to change the element’s settings

  • TITLE & SUBTITLE

You can change the title of the chart, choose the font, color and size of the name. You can also add the subtitle and change its format.

  • GENERAL

The maximum data points represent the maximum number of dots can be displayed in the chart.

  • LEGEND

You can change the legend position (top, bottom, middle), input the name, choose the font, color and size of the name.

  • X AXIS

When you turn on the X Axis, you can input the Prefix, Postfix and change their format. X Axix title can also be added and change format too.

  • Y AXIS

When you turn on the X Axis, you can input the Prefix, Postfix and change their format. X Axix title can also be added and change format too. If you turn on Gridlines, you can change the size and the display of the Gridlines (solid, dash, dot,...).

  • DATA COLOR

Data color can be set auto or you can choose your favorite colors.

  • BACKGROUND

You can change the background color of the chart.

  • TOOLTIP

When you hover over a bubble of the chart, a text box appears to display information about the data of that bubble. You can change the text color, font, and background.

  • OTHER

Change the display unit, precision, and other functions

10. After building the chart visualization, click Add to create your chart.

11. Your chart will show up along with actions like sharing, editing, etc.

We hope that the above instructions will be useful to you. Let's have a look at our other articles to learn more about using other charts in data visualization with Rocket.BI.

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