Sankey charts are a type of flow diagram that are used to visualize data flow or information flow between multiple sources and destinations. They are commonly used in fields such as economics, sociology, and engineering.
A Sankey chart is a bar chart with edges connecting the bars. The bars represent different sources of information or data and the edges represent the flow of information or data between the sources and destinations. The length of each bar represents the absolute amount of information or data for that source, while the thickness of the edge connecting the bars represents the amount of flow between the sources and destinations.
There are several key concepts to understand when creating and interpreting a Sankey chart:
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Direction of flow: Be sure to indicate the direction of flow in the chart. Most Sankey charts are set up to show flow in a positive direction, from left to right or bottom to top.
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Scale: When creating a Sankey chart, it is important to have a scale that accurately reflects the amount of flow between the sources and destinations. A large amount of flow should have a thicker edge than a small amount of flow.
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Labeling: Use labels to identify the sources and destinations represented in the chart. This helps to make the chart more visually appealing and to understand the data flow more clearly.
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Interactivity: If possible, include interactivity in the Sankey chart. For example, you could use hover events to display additional information about the sources and destinations where the user hovers.
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Visualization: Sankey charts can be used to visualize a wide range of data. Whether you’re trying to understand how different sources and destinations of information flow, or how a complex system works, a Sankey chart can provide a visual representation to help you understand the data.
In summary, a Sankey chart is a useful tool for visualizing data flow between multiple sources and destinations. By understanding the key concepts of direction, scale, labeling, interactivity, and visualization, you can create a Sankey chart that is both informative and engaging.
SankeyMaster
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