Table 1 Statistics of the ten NN and their ensemble for pH and TA, including the Mean Absolute Error (MAE), Mean Square Error (MSE), and Root Mean Square Error (RMSE).

Variable	NN	MAE	MSE	RMSE	r2
pH	1	0.0231	0.0011	0.0326	0.87
	2	0.0212	0.0009	0.0300	0.89
	3	0.0219	0.0010	0.0310	0.88
	4	0.0225	0.0010	0.0321	0.87
	5	0.0212	0.0009	0.0304	0.88
	6	0.0226	0.0010	0.0318	0.87
	7	0.0231	0.0011	0.0331	0.86
	8	0.0230	0.0010	0.0322	0.87
	9	0.0218	0.0009	0.0301	0.89
	10	0.0224	0.0010	0.0310	0.88
	Ensemble	0.0189	0.0007	0.0272	0.91
[\(\hbox {H}^+\)]	Ensemble	0.399	0.346	0.588	0.91
TA	1	7.3	133.2	11.5	0.96
	2	7.2	134.6	11.6	0.96
	3	7.3	145.0	12.0	0.96
	4	7.2	140.5	11.9	0.97
	5	7.2	168.0	13.0	0.95
	6	7.4	139.8	11.8	0.96
	7	6.9	125.9	11.2	0.96
	8	7.5	133.3	11.6	0.96
	9	7.8	158.6	12.6	0.96
	10	7.1	125.6	11.2	0.96
	Ensemble	6.3	112.6	10.6	0.97

Additionally, the table displays the [\(\hbox {H}^+\)] statistics derived from the pH ensemble results.

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