Sankey charts are a type of non-directional network diagrams that reveal the flow of data or information from one source to another. They are frequently used in business and scientific research to illustrate the relationship between different variables or how one variable affects another. The following article describes the history and purpose of Sankey charts, as well as their creation and applications in research and business.

Sankey charts

In the late 19th century, scientists such as James Clerk Maxwell and Harry Price pioneered the use of diagrams to explain phenomena. A Sankey chart is a type of non-directional network diagram that is based on the idea of information flow. It is a two-dimensional diagram that consists of multiple rectangles connected by arrows. These rectangles represent specific variables, and the arrows represent the direction of flow, with one side representing input and the other side output. The flow of information or data from one source to another is depicted in the diagram.

Sankey charts are frequently used in business and scientific research to illustrate the relationship between different variables or how one variable affects another. They are also frequently used in the production of information flow diagrams. Sankey charts have several applications in business and scientific research, including cost and profit analysis, financial planning, and product development. They can also be used to analyze marketing campaigns, sales and revenue analysis, and more.

Example of a Sankey Chart

If you need to understand how the cost of production affects the price of a product, you can create a Sankey chart that depicts the input and output variables such as materials, labor, and transportation. The diagram would show the flow of information from one variable to another, as well as the number of times the input variable was transformed. This type of chart allows the user to visualize how the cost of production affects the price of the product.

How to Create a Sankey Chart

Creating a Sankey chart is a simple process, but it requires a bit of attention to detail. First, measure or gather the information you need to plot in the chart. Once you have the data, plot the rectangles on the diagram and connect them appropriately. Use arrows to indicate the flow of information and number input and output variables. Finally, use the arrows to show the direction of flow.

Sankey Charts in Research and Business

In research, Sankey charts are frequently used to analyze the relationship between different variables and their impact on each other. In business, they can be used to analyze the flow of information, sales, expenses, and revenue. For example, a scientist might use a Sankey chart to analyze the flow of data from sensors to the database, while a business might use it to analyze the flow of information from one employee to another.

Conclusion

Sankey charts are a versatile tool that can be used to analyze the relationship between different variables and their impact on each other. Whether in scientific research or business, sankey charts can help you visualize complex data and relationships to gain valuable insights into your data. By understanding how to plot and interpret a sankey chart, you can unlock the flow of information and apply it to your work.

References

http://www.hooverinsight.org/articles/how-to-use-the-sankey-chart/

https://blog.manning.com/what-a-sankey-chart-explains-and-why-you-shouldnt-ever-work-without-one/

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