Mean square error 190 human 83 Forecasting 58 Least squares approximations 55 History of engineering and technology 51 Humans 51 Root mean square errors 48 Technology: general issues 48 male 48 controlled study 47 female 46 Article 44 article 40 Errors 38 adult 37 Neural networks 35 Research & information: general 31 Machine learning 30 Male 30 least square analysis 29 Female 28 major clinical study 27 Regression analysis 25 machine learning 24 Learning algorithms 23 China 22 Decision trees 22 prediction 21 Deep learning 20 History of engineering & technology 20