Introduction to the Nonlinear Fit Curve Personality
Some models are linear in the parameters (for example, a quadratic or other polynomial); others can be transformed to be such (for example, when you use a log transformation of x). The Fit Model or Fit Y by X platforms are more appropriate in these situations. For example, in the chapter on the Fit Model platform in the Fitting Linear Models book, there was a significant linear relationship between oxygen uptake and time spent running. For more information about Fit Model, see Fitting Linear Models. For more information about Fit Y by X, see the Basic Analysis book.
The Nonlinear platform is the place to fit models that are nonlinear in the parameters. This chapter shows the analysis of a ...

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