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Techniques & Methods

Online Learning

Online learning (also called incremental or streaming learning) updates model parameters one example or small batch at a time as data arrives, enabling the model to adapt to changing patterns without full retraining. It is used in recommender systems, fraud detection, and financial forecasting.

Online learning presents challenges including catastrophic forgetting (overwriting old knowledge with new) and sensitivity to noisy data. Techniques like elastic weight consolidation help mitigate forgetting.

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