A Sankey diagram, also known as a flowchart or flow network, is a diagram that visualizes the flow of resources, persons, or services within an organization or process. These diagrams are used to depict the flow of information, power, or materials from one location to another. The diagram consists of one or more nodes, also known as sources or sinks, connected by lines. Each block of the diagram represents a different resource, and the lines represent the flow of resources between the blocks.
Sankey charts are often used to illustrate the movement of resources between different locations within a network or system. They are useful for identifying bottlenecks or areas of inefficiency within a system. They can also help to predict future outcomes and suggest ways to improve performance.
Creating an accurate Sankey chart requires a clear understanding of the information to be represented. Before creating a chart, it is important to identify the sources and sinks within the system. This information can be obtained from various sources, such as a business plan, a process chart, or an inventory database.
Upon identifying the sources and sinks, the next step is to group them into blocks. Blocks represent different types of resources, such as raw materials, products, or services. Identifying the flow type (either bidirectional or unidirectional) along with the direction (from the source to the sink or vice versa) is also important.
Once the blocks are identified, they should be connected by lines that indicate the direction and amount of flow. The number of arrows can also be used to represent the size or volume of flow.
Finally, the chart should be annotated with any relevant information about the sources, sinks, and flow amounts. Annotations can include a breakdown of the flow, a list of sources and sinks, or a comparison of flow types.
Some common applications of Sankey charts include production processes, waste management systems, and logistical supply networks. These diagrams are often used in engineering, manufacturing, and logistics to help identify bottlenecks and improve efficiency.
Overall, Sankey charts can be a powerful tool for visualizing and understanding complex systems and processes. By creating accurate charts, users can gain valuable insights and insights into how the resources in the system are moving.
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