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Circular Charts
Polar Chart
A Polar Chart is a circular graph in which data is displayed in terms of values and angles.
Key Features:
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Provides the option to perform a visual comparison between several quantitative or qualitative aspects of a situation.
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When charts are drawn for several situations using the same axes (poles), a visual comparison between the situations may be made.
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X-value of the data point is used to set the angle.
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Y-value defines the distance from the center of the graph.
Polar Chart
Radar Chart
Radar chart is a clock-face form of a line chart.
Key Features:
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Compares the aggregate values of the data series.
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Represents each data series as a line around a central point.
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Provides a graphical display of the difference between actual and ideal performance.
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Useful for defining performance, and identifying strengths and weaknesses.
Radar Chart
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