Sankey charts are powerful tools for analyzing data flow and can be used to visualize complex relationships and trends in a single visualization. In this article, we’ll explore how to create and use Sankey charts to unlock the power of data analysis.
What is a Sankey chart?
A Sankey chart is a two-dimensional flow diagram that depicts the movement of data flow through a system or process. It is called a “Sankey” because it is modeled after the classic Sankey diagram used to trace the course of rivers and creeks
The basic components of a Sankey chart include:
- The source node: This represents the beginning of your data flow, usually the origin of the activity or process for which the chart is created.
- The target node: This represents the ending of your data flow, usually the destination of the activity or process.
- The arrow: This represents the direction of the data flow. In a typical Sankey chart, the arrow points from the source node to the target node.
- The value field: This indicates the magnitude of the data flow.
- The label field: This indicates the name or description of the activity or process that is being analyzed.
Sankey charts are particularly useful for visualizing complex and interlinked data flows. They can be used to show the flow of information in a business process, the flow of resources in a manufacturing process, or the flow of data in a scientific research study. They can also be used to show the flow of data in a social network, such as in the flow of influence or the flow of communication between individuals or organizations.
Creating a Sankey chart
To create a Sankey chart, you will need to gather data on the activity or process for which you want to create the chart. This data should be presented in a two-dimensional table or chart, with the data flowing from the source node to the target node. You can also include information about the value and label fields in your data presentation.
Once you have your data, you can use a Sankey chart software tool or online charting service to create the chart. These tools typically allow you to customize the appearance and layout of your chart, giving you more control over the look and feel of your final product.
An example of Sankey chart creation
Suppose we wanted to create a Sankey chart to visualize the flow of information in a company’s customer service system. Here is an example of the data we would include in our presentation:
“`
Source Node | Target Node | Value | Label
Marketing Team | Customer Support | 100 | Support team
Marketing Team | IT Department | 200 | IT support
Marketing Team | Sales Department | 300 | Sales team
Sales Department | Customer Support | n/a | Customer service
“`
This table shows the source node, the target node, the value (in this case, the number of calls received or inquiries received), and the label (the name or role of the individual or department involved). By using this data, we can visualize the flow of information in the company’s customer service system, highlighting the interconnectivity between different nodes.
Using Sankey charts to unlock the power of data analysis
Sankey charts are a powerful tool for analyzing data flow, as they allow you to see the relationships between different components of a system. By incorporating additional information, such as the value and label fields, you can gain insight into the flow of data in a much deeper way than simply observing the data on the chart. This analysis can be used to identify potential bottlenecks or inefficiencies in a system, and can be used to optimize flow and improve overall performance.
Conclusion
Sankey charts are a powerful tool for unlocking the power of data analysis. By visualizing data flow through a system, you can gain a deeper understanding of the relationships between different components, and identify potential bottlenecks and inefficiencies in your system. With the right information and the right software, you can create a visual representation of the data that will help you make informed decisions and improve your overall performance.
SankeyMaster
SankeyMaster is your go-to tool for creating complex Sankey charts . Easily enter data and create Sankey charts that accurately reveal intricate data relationships.
