The Sankey chart is a simple but effective way to visualize large amounts of data. It is a diagram that shows the flow of resources or people from one source to another. Here’s a look at how to create and use a Sankey chart, along with some applications and tips for improving your visualization.
Creating a Sankey Chart
A Sankey chart is created by combining a network diagram and a flow diagram. The network diagram shows the relationships between different resources or people, while the flow diagram shows the flow of resources or people through different connections.
The basic format of a Sankey chart consists of a network diagram on the left and a flow diagram on the right. The network diagram is represented using lines, and the flow diagram is represented using diamonds and arrows.
There are a few different ways to create a Sankey chart, but the most common way is to use a software program such as Microsoft Excel or Tableau. These programs have built-in functions for creating and styling Sankey charts, as well as other types of data visualizations.
Some common features of Sankey charts include:
– Labels for each node and edge
– Colors to differentiate between different types of resources or people
– Stylization to make the chart more visually appealing
– Interactive elements, such as tooltips or zooming
Improving Your Visualization
Once you have a Sankey chart created, there are a few things you can do to improve its quality and effectiveness:
– Use common terminology: Make sure your data and terminology match the audience you are trying to reach. This will help them better understand the information presented.
– Make it easy to understand: Use clear and concise labels, and avoid using overly complicated symbols or colors.
– Use examples: If possible, use real-world examples or case studies to help illustrate the key concepts you are trying to convey.
– Use data to tell a story: Use your data to paint a picture or tell a story. This can be done through the use of graphics, tables, or visualizations.
Creating effective Sankey charts takes practice and attention to detail. With the right approach, however, they can be a powerful tool for presenting data in a way that is both informative and visually appealing.

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