pysteps.verification.ensscores.rankhist_init¶

pysteps.verification.ensscores.rankhist_init(num_ens_members, X_min=None)¶

Initialize a rank histogram object.

Parameters

num_ens_members: int: Number ensemble members in the forecasts to accumulate into the rank histogram.
X_min: {float,None}: Threshold for minimum intensity. Forecast-observation pairs, where all ensemble members and verifying observations are below X_min, are not counted in the rank histogram. If set to None, thresholding is not used.

Returns