A Sankey chart is a type of flowchart that is used to visualize the flow of a particular system or process. It is named after Dutch inventor G.W. Sankey, who patented the chart in 1903. Sankey charts are particularly useful for visualizing the flow of energy, materials, or information between different entities or stages of a process.
Creation of Sankey Charts
Sankey charts can be created using a variety of software tools, such as Microsoft Excel, Visio, or draw.io. To create a Sankey chart, you will need to follow these steps:
- Identify the flow that you want to visualize. This can be a flow of energy, materials, or information.
- Choose the entities or stages that are involved in the flow. These can be represented by boxes on the chart.
- Determine the direction of the flow by drawing arrows between the boxes.
- Assign values or labels to each box to indicate the amount or type of flow through the system.
- Customize the chart as desired, such as adding colors or adjusting the layout.
Applications of Sankey Charts
Sankey charts are used in a wide range of industries and applications, including energy and sustainability, logistics and transportation, finance and accounting, and healthcare. Some of the specific applications of Sankey charts include:
- Energy efficiency: Sankey charts can be used to visualize the flow of energy through a system and identify areas where energy can be saved.
- Supply chain management: Sankey charts can be used to visualize the flow of materials through a supply chain and identify bottlenecks or inefficiencies.
- Financial analysis: Sankey charts can be used to visualize the flow of money through a financial system and identify areas where funds can be allocated more effectively.
- Medical diagnosis: Sankey charts can be used to visualize the flow of information through a medical system and identify areas where additional resources or interventions are needed.
In summary, Sankey charts are a powerful tool for visualizing change and flow in data. With their use, we can identify areas for optimization, improvement and make better decisions.
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