Machine learning techniques 25 Machine learning 14 Forecasting 10 Learning algorithms 10 Learning systems 9 Decision trees 8 machine learning 8 Classification (of information) 6 Neural networks 6 Support vector machines 6 Machine learning models 4 Machine-learning 4 Nearest neighbor search 4 Random forests 4 Research & information: general 4 Biology, life sciences 3 Computer science 3 Deep learning 3 Feature extraction 3 Gradient boosting 3 Adaptive boosting 2 Artificial intelligence 2 Computational Biology 2 Correlation coefficient 2 Efficiency 2 Eigenvalues and eigenfunctions 2 Features selection 2 Fouling 2 Friction 2 Friction stir spot welding 2