Figure 1. Illustration of the SVM principle and of the one-versus-one multiclass classification method (https://www.researchgate.net/figure/Illustration-of-the-SVM-principle-and-of-the-one-versus-one-multiclass-classification_fig2_220098164)

From

Predicting Stock Investments Based on Sentiment and Historical Price Data

I. O. Olawale, J. Iworiso, I. A. Amaunam

International Journal of Data Envelopment Analysis and *Operations Research*. 2023, 4(1), 1-32