solarforecastarbiter.metrics.deterministic.normalized_root_mean_square

solarforecastarbiter.metrics.deterministic.normalized_root_mean_square(y_true, y_pred, y_norm)[source]

Normalized root mean square error (NRMSE).

Parameters:
  • y_true (array-like) – True values.
  • y_pred (array-like) – Predicted values.
  • y_norm (float) – Normalized factor, in the same units as y_true and y_pred.
Returns:

nrmse (float) – The NRMSE [%] between the true and predicted values.