Least Squares

Regression Analysis - CurveFitter Regression Analysis - CurveFitter 1.3
CurveFitter program performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions. The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called curve fitting.
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Regression Analysis - DataFitting Regression Analysis - DataFitting 1.7
DataFitting is a powerful statistical analysis program that performs linear and nonlinear regression analysis (i.e. curve fitting). DataFitting determines the values of parameters for an equation, whose form you specify, that cause the equation to best fit a set of data values.
datafitting, data, fitting, least squares, curve fitting, nonlinear, non-linear, regression, equation, curve fit,