least squares method 10 Least squares approximations 8 Least-squares- methods 5 Technology: general issues 5 regression analysis 4 prediction 3 Article 2 China 2 Computer science 2 Economics, Finance, Business and Management 2 Geographically weighted regression 2 History of engineering & technology 2 History of engineering and technology 2 Information technology industries 2 Least square method 2 Least square methods 2 Ordinary least squares 2 algorithm 2 least square method 2 numerical model 2 spatial analysis 2 urban area 2 A priori uncertainty 1 Adaptive approximation 1 Airport CO2 emissions 1 Airports 1 Akaike information criterion 1 Amplitude drift 1 Analog to digital conversion 1 Analog to digital converters 1