Chart type identification request with emphasis on certainty.
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😎 What’s the name of this kind of chart? Answer only if you are certain of the answer. If you are not, I will dedicate the time to research it myself

🤖 The chart you have provided is called a Sankey diagram. It is used to depict a flow from one set of values to another. The things being connected are called nodes and the connections are called links. Sankey diagrams are typically used to show energy or material or cost transfers between processes.
Hugging Face Dataset Metrics
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