“…This approach is fair, but ignores the special features that distinguish a time series from other sources of data, disregarding at the same time all the scientific knowledge gathered through years for this specific problem. Examples that illustrate this situation are the tests performed with models like ANFIS [10,9,1], EFuNN [12,13] or ANNBFIS [20]. More examples can be found in [8,15,30,22,19].…”