Prediction of Chemotherapy Response of Osteosarcoma Using Baseline ¹⁸F-FDG Textural Features Machine Learning Approaches with PCA

Table 3

Predicted mean accuracies of 10-fold validation for each machine learning approach.

Machine learning approach	Without PCA	With PCA	-value
Linear SVM	0.47 ± 0.16	0.72 ± 0.22	0.0408
Random forest	0.62 ± 0.21	0.78 ± 0.24	0.0510
Gradient boost	0.55 ± 0.19	0.82 ± 0.12	0.0008