Fig. 2 | Scientific Reports

Fig. 2

From: UV-Vis spectroscopy coupled with firefly algorithm-enhanced artificial neural networks for the determination of propranolol, rosuvastatin, and valsartan in ternary mixtures

Fig. 2

Cross-validation results using leave-one-out procedures showing RRMSECV values versus number of neurons for both model types: Full ANN models for (A) propranolol, (B) rosuvastatin, and (C) valsartan; and FA-ANN models for (D) propranolol, (E) rosuvastatin, and (F) valsartan. The plots demonstrate significant decreases in RRMSECV values at the optimum number of neurons for each model.

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