Particle swarm optimization (PSO) 7 machine learning 7 Ant colony optimization (ACO) 7 Differential evolution (DE) 7 Simulated annealing 7 Grey wolf optimizer (GWO) 7 particle-swarm-optimization 7 Whale Optimization Algorithm (WOA) 7 Computational intelligence 7 Robust optimization 7 classification 7 genetic-algorithm 7 deep learning 6 Intelligent optimization 6 Simulations 6 artificial intelligence 6 optimization algorithms 6 Cross-validationGenetic algorithm (GA) 6 precision 6 recall 6 confusion matrix 6 accuracy 6 regression 6 Convergence analysis 6 Search space exploration 6 Local search 6 Performance analysis 6 neural networks 5 machine-learning 5 single hidden layer network 5 supervised learning 5 neural-network 5 spearman correlation coefficient (SCC) 4 pearson correlation coefficient (PCC) 4 metaheuristic-algorithms 4 mealpy 4 Global optimization 4 nature-inspired-algorithms 4 generalization 4 global-search 4 nature-inspired algorithms 3 metaheuristics 3 K-Nearest Neighbors 3 random projection 3 online learning 3 swarm-based computation 3 nature-inspired computing 3 metaheuristic algorithms 3 scikit-learn 3 optimization-algorithms 2 metaheuristic 2 metaheuristic-algorithm 2 regression-models 2 classification-models 2 Stochastic optimization 2 pattern recognition 2 FLANN 2 multi-objectives optimization problems 2 random forest 2 feature extraction 2 support vector machine 2 scikit-learn models 2 estimator 2 Robust machine learning 2 feed-forward neural network 2 artificial neural network 2 shallow neural network 2 kernel methods 2 evolutionary-algorithms 2 gradient-free optimizationgradient-free optimized RVFL 1 ELM network 1 nature-inspired ELM 1 metaheuristic-based RVFL 1 Kernel RVFL 1 wavelet neural network 1 metaheuristic-optimized RVFL 1 artificial-intelligence 1 evolutionary-computing 1 gradient-free-based-rvfl 1 random-vector-functional-link-neural-network 1 rvfl-networks 1 swarm-based-intelligence 1 extreme learning machine 1 metaheuristic-based ELMrandom projection 1 Kernel ELM 1 centers 1 euclidean distance 1 maximum distance 1 NP-hard 1 greedy algorithm 1 approximation algorithm 1 covering problem 1 computational complexity 1 geometric algorithms 1 spatial analysis 1 graph theory 1 mathematical optimization 1 dimensionality reduction 1 mutual information 1 correlation-based feature selection 1