Curve Fitting with Linear and Nonlinear Regression

We often think of a relationship between two variables as a straight line. That is, if you increase the predictor by 1 unit, the response always increases by X units. However, not all data have a linear relationship, and your model must fit the curves present in the data.

Nonlinear regression

Problem 1: Linear and nonlinear regression models a)

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NLREG -- Nonlinear Regression Analysis Program