Overfitting

When a model fits the noise in its training data, doing well there but badly on new data.

On the right, it is overfitting: flexible enough to memorise the weather on the training days.
From Overfitting, step “Too simple, too flexible, just right”

See it in action

Try overfitting hands-on in the lesson Overfitting, part of the AI fundamentals course.

Open the lesson