Fig. 4: Generation of synthetic data points using SMOTE and Mixup. | npj Computational Materials

Fig. 4: Generation of synthetic data points using SMOTE and Mixup.

From: Machine learning-based discovery of vibrationally stable materials

Fig. 4

a In SMOTE, the data point r1 is obtained from the two minority data points x1 and x3 using the formula r1 = x1 + gap × diff. b In Mixup, r1 is obtained from the minority x1 and majority x3 using the formula r1 = (1–λ) x1 + λ x3.

Back to article page