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Validation Set
Data used to fine-tune an AI model and check its accuracy before deployment.
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K–5th
The validation set is like a practice test that helps the computer check if it’s ready.
6–8th
Before AI goes live, it takes a “quiz” to make sure it learned well. That quiz is called the validation set.
9–12th
A validation set is a separate portion of data used to tune model performance and prevent overfitting during training.
Expeditions
K–5th
Have a student “train” on flashcards, then do a quiz (validation) before the real test (deployment).
6–8th
Split data into training and validation sets. Test predictions to see how models improve.
9–12th
Compare training vs. validation scores on model performance. Explore overfitting.
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