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Examining a Bubble Chart: First Look in Bubble Chart Pro™

The default view of a bubble chart is an area bounded by the highest and lowest Project attribute values and divided into quadrants. This allows you to identify the most attractive and least attractive areas. In this chart, the most attractive area is the upper left quadrant (high value scores and low cost) versus the least attractive lower right quadrant (low value scores and higher costs).

In this chart, the "best" projects are the ones with the largest "Profit" bubbles in the upper left quadrant: Project Pegasus and Project Centaurus. The "worst" project (lowest overall value) is Project Orion in the lower right quadrant.

Another way of thinking about relative attractiveness is to draw a diagonal line from the lower left corner to the upper right corner. Above the line are the bigger "bang for the buck" projects.

Note: The legend was hidden and the bubble name labels displayed by selecting those options in the Preference form.

Next: Interacting With Bubbles