The answer
No. Many applications combine learned models with rules, search, constraints, or planning. Different methods solve different parts of a system's overall task.
How did machine learning contribute to the evolution of AI?
Did machine learning completely replace symbolic AI?
More FAQs in How did machine learning contribute to the evolution of AI?
Unseen evaluation data helps measure generalization. Without it, a system may appear successful because it memorized examples or exploited accidental patterns in the training set.
Data leakage occurs when training or evaluation uses information that would not be available in the intended prediction setting, making reported performance misleading.
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