Definition·
Learning

Unsupervised Learning

Learning from unlabeled data, where the model discovers structures by itself.

Detailed explanation

The model looks for groupings (clustering), dimensionality reduction (PCA), patterns or anomalies. Very useful for data exploration, customer segmentation, fraud detection or pre-training.

Examples

Customer segmentation
Network anomaly detection
Dimensionality reduction for visualization

Frequently asked questions

Are the results always reliable?

Discovered structures always need business interpretation and validation.

Related terms

Last updated: 7/15/2026

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