🎯
Overfit or Not?
A model was just fit to the visible training points. Only look at the curve — is it too simple, too wiggly, or just right? Lock in your guess before the hidden test points appear.
🧩 Intermediate
~2 min
Concept: Overfitting & Regularization
Round 1 of 5
Blue dots are the training data the model saw. The curve is its fit.
📌 The tell
A curve that ignores the data's shape is underfitting. One that snakes through every single point (even the noisy ones) is overfitting — watch what happens to it on data it's never seen.