Time-series analysis Computer programs 8 Mathematical models 7 Econometric models 6 Statistical methods 6 Data processing 5 Mathematics 4 Regression analysis 4 Congresses 3 Probabilities 3 Business cycles 2 Business forecasting 2 Econometrics 2 Economic development 2 Geophysics 2 Hydrology 2 Production control 2 Seasonal variations (Economics) 2 Social sciences 2 Spatial analysis (Statistics) 2 Transfer functions 2 AUSTSA (Computer program) 1 Approximation theory 1 Audio frequency 1 Autocorrelation (Statistics) 1 Bayesian statistical decision theory 1 Computer vision 1 DANL (Computer program) 1 Decision making 1 Digital techniques 1