climpred.metrics._mape

climpred.metrics._mape(forecast, verif, dim=None, **metric_kwargs)[source]

Mean Absolute Percentage Error (MAPE).

Mean absolute error (mae) expressed as the fractional error relative to the verification data.

MAPE = \frac{1}{n} \sum \frac{|f-o|}{|o|}

Parameters

  • forecast (xarray object) – Forecast.

  • verif (xarray object) – Verification data.

  • dim (str) – Dimension(s) to perform metric over.

  • metric_kwargs (dict) – see mape()

Details:

minimum

0.0

maximum

∞

perfect

0.0

orientation

negative

See also