Least squares Data processing 5 Error analysis (Mathematics) 2 Geodesy 2 Probabilities 2 Regression analysis 2 Surveying 2 Behavioral toxicology 1 Children of prenatal alcohol abuse 1 Computer programs 1 Curve fitting 1 Development 1 Digital techniques 1 Distribution (Probability theory) 1 Estimation theory 1 Etiology 1 FORTRAN IV (Computer program language) 1 Geometry 1 Interpolation 1 Learning disabilities 1 Longitudinal studies 1 Marketing 1 Mathematical models 1 Mathematical optimization 1 Molecular dynamics 1 Multivariate analysis 1 Nonlinear theories 1 Operator theory 1 Personality assessment 1 Photogrammetry 1