Gallery: High + Pie chart + Bubble chart

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Showing visual types:Bubble chart

Pie chart

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Benefits & pitfalls

Benefits & pitfalls: bubble chart

Using area or volume to represent data can distort data values, and exaggerate differences between values. For example, if the radius of the circle is used to represent data values, the area of the circle will quadruple if the data values double. There is also an issue of 'perceptual scaling' - the tendency of people to underestimate areas.

Benefits & pitfalls: pie chart

Pie charts are often criticised. Comparing the size of pie segments can be difficult, and many visualisation experts suggest that bar-charts should be used instead.

How to create your own

Create your own: bubble chart

Bubble charts can be created in a range of standard data applications such as Excel.

Create your own: pie chart

Pie charts can be created in a range of standard data applications such as Excel.

Bubble chart

County level 2008 US presidential election returns.

Average rating: 5.3 (14 votes)

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Matrix chart

The matrix chart divides the screen into a grid. Rows represent the values in one text column (e.g., political candidate) and columns represent another text column (e.g., states of the US). Each cell then shows a circle or bar that represents the value for its row/column combination (e.g., contribution to Hillary Clinton from New York).

Average rating: 5 (1 votes)

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