Mean square error 48 Root mean square errors Forecasting 12 Mean absolute error 9 Errors 8 Linear regression 6 Antennas 5 China 5 Decision trees 5 Machine learning 5 Neural networks 5 Surveys 5 machine learning 5 Humans 4 Laser applications 4 Mapping 4 Optical radar 4 Remote sensing 4 Support vector machines 4 Terrestrial laser scanning 4 aboveground biomass 4 algorithm 4 human 4 Controllers 3 Correlation coefficient 3 Forestry 3 Parameter estimation 3 Scanning 3 Seebeck effect 3 Steel beams and girders 3