Streamlit Sankeys: Flowing Insights with Vibrant Visual Precision

In the world of data analysis, visualizations play an indispensable role in breaking down complex datasets and communicating insights clearly and effectively. Sankey charts, in particular, excel at this task by depicting the quantities and directions of flows through a process system. With Streamlit Sankeys, harnessing the power of these visualizations has never been simpler. Let’s explore how to create Sankey charts in Streamlit and delve into their various applications.

What are Sankey Charts?

Born from the mind of 19th-century engineer William Playfair, Sankey diagrams are a type of flow diagram which visualize the quantity of flow. They feature arrows that indicate flow direction and often utilize ‘thicken’ or ‘thin’ lines to represent the amount of flow. Sankey charts are unique in that they work well with multidimensional data and provide a detailed view to track materials, energy, and power between processes.

The Power of Streamlit for Sankey Charts

Streamlit is an open-source Python library for building interactive web apps. It allows users to create dashboards in minutes, without needing to write a single line of HTML or JavaScript code. By using the Streamlit Sankey module, you can now incorporate these vivid, insightful visualizations into your web-based analytics tools.

Why Use Streamlit Sankeys?

1. User-friendly Interface: Streamlit streamlines the process of building interactive web apps, making it accessible for those not versed in web development.

2. Easy Implementation: With Streamlit, you can create Sankey charts in mere lines of code, requiring negligible effort to integrate them into your application.

3. CollaborationEase: Your Streamlit applications can be easily shared with team members and stakeholders, providing a collaborative medium for data analysis.

Getting Started with Streamlit Sankeys

To get started, you’ll need a Python environment set up with Streamlit installed:

bash
pip install streamlit
pip install streamlit-sankey


Your Streamlit application file can be set with just a few lines of code to create a Sankey chart:

“`python
import streamlit as st
import streamlit_sankey

Sankey data: [Start Node, [End Nodes, Quantities, [Labels]], …]

data = [
(“Production”, [“A”, “B”, “C”], [“Materials Used”, “Materials Used”, “Materials Used”], [0.5, 1]),
(“A”, [“Processing 1”, “Processing 2”], [“Step 1”, “Step 2”], [1, 2]),
(“B”, [“Processing 1”, “E”], [“Step 1”, “Optional Step”], [0.75, 0.25]),
(“C”, [“Processing 2”, “E”], [“Step 2”, “Optional Step”], [1, 1]),
(“E”, [“Assembly”], [“Final Assembly”], [1]),
(“Assembly”, None, [“Final Product”], [1])
]

Render the Sankey chart using the data

streamlitsankey.plot(data, nodecolor=”#eaf”),
figsize=(1000, 500))
“`

Run the app with the command streamlit run your_app.py, and the Sankey chart will be visible in your browser.

Applications of Streamlit Sankeys

Sankey charts, when integrated with Streamlit, offer diverse applications across industries:

1. Energy Systems: Visualize the flow of energy from different sources to destinations, helping us understand the efficiency of energy systems.

2. Financial Flows: Trace the flow of funds within an organization or through various financial markets.

3. Environmental Analysis: Track the movement of resources and pollutants in ecosystem studies or policy simulations.

4. Industrial Manufacturing: Show the journey of materials and parts through a manufacturing process.

5. Supply Chain Optimization: Map the flow of goods and services across a supply chain, identifying bottlenecks and inefficiencies.

Conclusion

Streamlit Sankeys bring the power and beauty of Sankey diagrams to the web, making analysis and communication of complex data flows more vivid and intuitive. By using Streamlit’s effortless development capabilities, you can create engaging, interactive web applications that help unlock insights from data quickly and effectively. Whether you are an engineer, data scientist, or business analyst, Streamlit Sankeys open doors to clearer visualization of complex flows, bringing your analytical journey to a new level of precision and clarity.

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.