Sankey chart is a type of diagram that shows how different flows are interconnected. It is used to visualize data by showing the flow of information from one source to another, or from one process to another. They are particularly useful when there is a complex relationship between different variables and flows.
In this article, we will explore how to transform data visualization with Sankey charts. We will cover how to create a Sankey chart and its various applications. After reading this article, you should feel equipped to create your own Sankey chart or use one in your Data Visualization projects.
Creating a Sankey Chart
Creating a Sankey chart is a relatively straightforward process. Here are the steps:
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Identify the variables: You need to identify the sources, flows, and targets in your data. For instance, let us say you want to create a Sankey chart to visualize the flow of population from rural areas to urban areas.
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Decide the format: The key format of a Sankey chart is to have a series of parallel lines across the page. The vertical lines are the flows, and the horizontal lines are the sources and targets. You may also add labels to the lines if necessary.
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Choose a software: You can create Sankey charts using software tools such as Tableau, PowerPoint, or Microsoft Visio. There are also online tools available like Sankeyio that can help you create and edit Sankey charts.
Using Sankey Charts in Data Visualization
A Sankey chart is particularly useful when you want to visualize the flow of information or resources from one source to another. They can be used to show the flow of goods, services, or people. For example, you could create a Sankey chart to visualize the flow of funds from one project to another, showing which project is funding which other project.
Another application of Sankey charts is when you want to visualise a network of relationships between different variables. The Sankey chart can show how they are interconnected and how the flow from one branch can shift to another. This can be particularly useful when you have a complex network of relationships between variables.
Conclusion
Sankey charts are a powerful tool in data visualization. Their ability to show detailed flow and connections between different variables makes them highly valuable when you want to understand complex systems or relationships. By using the steps outlined above and understanding how to create and use Sankey charts effectively, you can gain insights and perspectives that might not be possible otherwise.
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