Investigation of the Wear Behavior of AA6063/Zirconium Oxide Nanocomposites Using Hybrid Machine Learning Algorithms

Table 4

Relative results of machine learning algorithms on testing data.

Metrics	Regression		Root mean squared error		Mean squared error		Mean absolute error
Machine learning algorithm	Mean	STD	Mean	STD	Mean	STD	Mean	STD
Support vector regression	0.8186	0.0949	0.3774	0.1908	0.1788	0.1873	0.3055	0.1766
Random forest	0.8504	0.0599	0.3523	0.1502	0.1467	0.1381	0.2896	0.1126
Decision tree	0.8587	0.0226	0.3481	0.1114	0.1337	0.0917	0.2696	0.0924