Table 1.

Types of machine learning [5,6,17,18,19,20,21,23,24,25].

Type of Machine Learning	Examples
Supervised learning	Logistic regression and random forests
Unsupervised learning	Hierarchical clustering, tensor factorization
Reinforcement learning	Robotics and control systems
Deep learning	Image recognition (echocarcardiography, chest x-ray, computed tomography).