Summary

In a previous analysis using the Curve Estimation procedure, you saw that a Cubic model may not be appropriate.

Using the Nonlinear Regression procedure, you have constructed a conditional model that combines logistic and asymptotic regression models for the rise and decline of a computer virus infection. A little more work is required to specify a nonlinear regression, but the resulting model has an excellent model fit, good residuals, and interpretable parameters.

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