CV Partitioning Method

Use the drop-down menu to indicate the method by which to partition the observations for cross validation.

Available methods are described in the table below:

Method	Definition
Block	Choose this method to request parts be formed of k blocks of consecutive observations.
Split	Choose this option to request that the ith part consists of observations i, i + k, i + 2k, ....
Random	Choose this option to assign each observation randomly to one of the k parts.

Note: You can also use an index variable to define the CV splits. For this, specify CVMETHOD=INDEX(index variable) in the PROC GLMSELECT Modeling Options field on the Options tab.

To Specify the CV Partitioning Method:

Select CV as the Criterion for Stopping Model Selection.

Select the method using the drop-down menu.