pywrdrb.post.ensemble_metrics.ensemble_mean

pywrdrb.post.ensemble_metrics.ensemble_mean(ensemble)

Calculate the mean across ensemble realizations.

Parameters:

ensemble (dict of {str: pd.DataFrame}) – Dictionary of ensemble realizations. Each key corresponds to a realization and maps to a DataFrame of time series data.

Returns:

DataFrame of mean values across realizations, indexed by time.

Return type:

pd.DataFrame

Notes

Missing values (NaNs) are replaced with zeros prior to averaging. Assumes all DataFrames are aligned in index and column structure.