labeled example

An example that contains one or more features and a label. For example, the following table shows three labeled examples from a house valuation model, each with three features and one label: House age | House price (label) | --- | --- | 15 | $345,000 | 72 | $179,000 | 34 | $392,000 | In supervised machine learning, models train on labeled examples and make predictions on unlabeled examples. Contrast labeled example with unlabeled examples. See Supervised Learning in Introduction to Machine Learning for more information.

Practitioners refer to labeled example when building, training, or evaluating machine learning systems. It appears in research papers, product documentation, and technical discussions about AI capabilities and limitations.