MSE Loss

Implement Mean Squared Error loss.

Signature: def mse_loss(y_pred: np.ndarray, y_true: np.ndarray) -> float

Math

Asked at

Python (numpy)0/3 runs today

Test Results

○perfect

○typical

○large error🔒 Premium

○loss is non-negative

○loss is non-negative (negative residuals)

○symmetric: mse(a,b) == mse(b,a)

○symmetric (swapped): mse(b,a) == mse(a,b)