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:

out : dict

The rank histogram object.