Mean absolute error 23 Mean square error 16 Errors 10 Root mean square errors 9 human 7 Forecasting 6 Machine learning 6 Article 5 Humans 5 Neural networks 4 adult 4 article 4 deep learning 4 female 4 machine learning 4 major clinical study 4 male 4 Correlation methods 3 Decision trees 3 Diagnosis 3 Pearson correlation coefficients 3 Performance 3 Root mean squared errors 3 body mass 3 controlled study 3 correlation coefficient 3 mean absolute error 3 quantitative analysis 3 Adaptive boosting 2 Adaptive neuro-fuzzy inference 2