Table 2.

The average RMSE of ten simulations obtained with the GRU model, for different sizes of the recurrent layer.

	2 Units	4 Units	8 Units	16 Units	32 Units	64 Units
Training	4.29e−02	1.05e−02	7.79e−03	6.78e−03	6.71e−03	5.80e−03
Validation	5.37e−02	3.48e−02	3.47e−02	3.49e−02	3.50e−02	3.62e−02
Test	6.00e−02	1.17e−02	1.00e−02	9.36e−03	1.23e−02	1.68e−02

Significant values are given in bold.