Knotted Spline Effect

In the Select Columns list, select a continuous effect, X.

Select X in the Construct Model Effects list.

Select Attributes > Knotted Spline Effect.

In the menu that appears, specify the number of knots or accept the default number.

Model Fit for a Knotted Spline with Five Knots shows the Regression Plot for a model fit to the data in the XYZ Stock Averages (plots).jmp sample data table. Here Date is assigned the Knotted Spline Effect and five knots are specified. DJI Close is the response.

Model Fit for a Knotted Spline with Five Knots