User-Specified Regression Function - Quick Tab

The Quick tab of the User-Specified Regression, Custom Loss dialog box contains the option described here.

Function to be estimated & loss function. Click the Function to be estimated & loss function button to display the Estimated function and loss function dialog box, in which you specify the regression equation and the loss function. Different regression models are described in Common Nonlinear Regression Models and loss functions are described in Nonlinear Estimation Procedures.