The DSCF option requests the Dwass, Steel, Critchlow-Fligner multiple comparison procedure, which is based on pairwise two-sample rankings.

The FP option requests the Fligner-Policello test for two-sample data.

The ADJUST option adjusts for location differences among classes before tests for scale differences are performed.

The REFCLASS= option of the HL option specifies which of the two CLASS variable levels (samples) to use as the reference class X for the location shift, Y-X.