Bubble Chart: Represent Data in a Series of Bubbles

A Bubble Chart has a special visual appeal as it represents data in a series of bubbles. In this type of chart, the size of a bubble is proportional to the amount of data. ElegantJ Charts provides you an opportunity to use this unusual chart type with ease. For example, you can come up with an attractive Bubble Chart of a summary report of the sales of your company's products plotting the relationship between the total sales, the quantity sold, and the number of unique products (the product mix) that each sales representative markets.

Bubble charts can be used for:

• Displaying data with three variables
• Displaying financial data

Components and functions of Bubble Charts:

• Bubble Chart is a type of XY Scatter chart that is used to compare sets of three values.
• In Bubble Chart, each data point has two values and the size of the bubble represents value of the third.
• The third data value, called the bubble data value, is added to each data item.
• In Bubble Chart component, the bubble value is used to determine the size of a bubble that will appear at the data item's plot point.
• Bubble Chart shows three dimensions of data in a flat 2D Java chart.
• In addition to the points being located on a grid according to X and Y values, the size of the marker is proportional to a third set of values.
• A Bubble Java Chart bean can be used for 3-D data - for example X-Y or time data items that have a quantitative element to them.

For the Bubble chart, the following statistics are calculated:

• Sum: The sum value in the series.
• Count: The count value in the series.
• Valid Count: The valid count value in the series.
• Average: The average value in the series.
• Valid Average: The valid average value in the series.
• Maximum: The maximum value in the series.
• Minimum: The minimum value in the series.