Sankey charts are a type of data visualization that can help to explore hierarchical connections between different objects or processes. In this article, we will explore the basics of creating and understanding sankey charts, as well as some of the applications that can make them valuable tools in various fields.
The Basics of a Sankey Chart
Sankey charts are a type of network diagram that is particularly useful for exploring relationships between different objects or processes. They are created by graphing the flow of flow between different sources and destinations, with each element of the chart being plotted as a link between nodes and linked by arrows.
In a sankey chart, the nodes represent the sources and destinations of the flow being analyzed, while the links represent the flow itself. The direction of the arrows can indicate the direction of the flow, as well as the strength of the relationship between each source and destination.
Creating a sankey chart typically involves selecting the data to be analyzed, selecting the format and layout of the chart, and mapping out the flow relationships between the nodes and links. There are many different types of graphic design software that can be used to create sankey charts, as well as tools like Tableau and Power BI that can provide pre-made templates and analyses.
Sankey charts can be used in many different fields, including finance, engineering, and social science. In finance, for example, sankey charts can be used to explore the different ways that assets and liabilities flow between each other in the financial system. In engineering, sankey charts can be used to explore the different flows between equipment and components in a manufacturing process.
Exploring Hierarchical Connections in Sankey Charts
Sankey charts can be modified to explore hierarchical relationships between different groups, such as departments within a business or stages of a product development process. This type of visualization can help to identify patterns and trends that may not be apparent when simply examining individual components.
In order to create a sankey chart that explores hierarchical connections, the data to be analyzed should be organized in hierarchical categories. For example, in the finance example above, each financial system (banks, investors, etc.) would be a separate node, and each financial institution would be connected to each other node based on the specific interactions between them.
An interesting approach for creating a sankey chart that explores hierarchical connections in this way is to map out the interactions for each hierarchical category, and then add arrows to the edges that indicate the direction of the flow. This type of sankey chart can help to clearly see the different stages of a complex process, and identify which processes interact most heavily with each other.
Conclusion
Sankey charts are a powerful tool for exploring hierarchical connections between different object or process. Whether they are used in the finance, engineering or social sciences, sankey charts can help to visualize complex relationships in a clear and concise way. As a result, they are a valuable tool for understanding the complex systems that exist within these fields.
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