The experimental TCOUNTREG procedure is a transitional version of the COUNTREG procedure. The following features have been added to the TCOUNTREG procedure:
ODS Graphics plots are provided. The TCOUNTREG procedure can produce plots of various important predictive functions as well as model diagnostics.
A new variable selection method is provided. The greedy search method can be used with either forward selection or backward elimination. In each step, the AIC or BIC criterion is evaluated, and the selection continues until the selection criterion is met.