Select Fit Model from the platform redtriangle menu to produce the Recurrence Model Specification window shown in Recurrence Model Specification.
Scale and Shape Parameters defines each model parameter as a scale parameter or a shape parameter.
•

For the Recurrence Model Specification window (Recurrence Model Specification), if you include Scale Effects or Shape Effects, the scale and shape parameters in Scale and Shape Parameters are modeled as functions of the effects. To fit the models with constant scale and shape parameters, do not include any Scale Effects or Shape Effects.
