The Pie Chart

Paper Summary:

Data visualization is the use of interactive, sensory representations, typically visual, of abstract data to reinforce cognition. That, in itself, is a method or technique of decision-making. To further break it down, the most popular and widely used tool of data visualization is the pie chart. This paper presents an introduction of the pie chart and it's most common applications. It explains when it should and should not be used and provides examples in color.

From the Paper:

"Pie charts work well when the values of the percentages of the whole differ greatly from each other. In other words, you do not want your pie values to be within one or two digits from each other, which would be indistinguishable on the chart to the naked eye. Another moniker for pie charts is: do not use a pie chart when there are more than six parts to the whole. Having too many values for comparison on the chart will distract from the clear simplistic message and instead offer a complex confusing assortment of data."

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