Sankey is a type of flowcharts that are widely used to visually represent the source, destination, and flow of data. These charts have become increasingly popular in recent years due to their effectiveness as a data visualization tool. In this article, we will explore how to create and use Sankey charts, and how it can be used to optimize data visualization.
What is a Sankey Chart?
A sankey chart is a type of flowchart that shows the source, destination, and flow of data. It has been used in various fields such as economics, social sciences, and telecommunications. Additionally, Sankey diagrams are often used in data science applications.
The basic components of a sankey chart are the “nodes” or “sources” that represent initial sources of data, “links” that connect different “nodes” together to represent the flow of data, and “destinations” that represent the final destinations of data.
Creating a Sankey Chart
Creating a sankey chart can be done using software such as Microsoft Excel, Google Sheets, and Tableau. Here is a step-by-step guide on how to create a Sankey Chart.
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Determine the data: Determine the data you want to visualize. The data should be organized into groups or categories, with each group representing a source of data.
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Create a diagram: Once you have determined the data, you can start creating your sankey chart.
- Add “nodes” and “links”: Add nodes to represent initial sources and destinations, and links to connect them together. Each node should also contain information related to the data they represent, such as a value or label.
- Set up the “flow” of data: Use the links to show the flow of data, starting from the source and ending at the destination. Each link should have a particular color or style to identify it as the flow of the data.
- Adjust the visualization: Adjust the visualization to make it more readable. This can be done by removing unnecessary nodes, merging similar nodes, or changing the color scheme.
Using Sankey Charts
Sankey charts are used in various industries to track data flows and to visualize data. These charts are often used to analyze large amounts of data, track the flow of data, and optimize processes. Additionally, they can also be used in other types of visualization to show how different data flows in a particular context.
In summary, a sankey chart is a type of flowchart that is used to visualize data flows and is widely used in data science applications. Creating a sankey chart is a relatively simple process and can be done using software such as Excel, Google Sheets, and Tableau. Additionally, sankey charts can be used to optimize data visualization, track data flows, and analyze complex data.
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