A Strip-Split-Split-Plot Design
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: FACTEX20 */
/* TITLE: A Strip-Split-Split-Plot Design */
/* PRODUCT: QC */
/* SYSTEM: ALL */
/* KEYS: Design of Experiments, Factorial Designs, */
/* PROCS: FACTEX GLM */
/* DATA: */
/* */
/* REF: SAS/QC Software: Usage and Reference, Version 6, */
/* First Edition, Volume 1 and Volume 2 */
/* */
/* MISC: */
/* */
/****************************************************************/
%let FR = X11-X13;
%let FC = X21-X23;
%let FX = X31-X35;
proc factex;
factors MSetting &FR &FC &FX;
model r=4;
blocks units=(Machine=2 Step1=8 Step2=4 Step3=2);
uniteffect Machine / whole=(MSetting);
uniteffect Step1 / whole=(&FR) sub=(&FC &FX);
uniteffect Step1*Step2 / whole=(&FC) sub=( &FX);
uniteffect Step1*Step2*Step3 / whole=(&FX);
size design=128;
examine aliasing(units) summary;
run;
%let FR = X11-X13;
%let FC = X21-X23;
%let FX = X31-X35;
proc factex order=random(restart seed=230501);
factors MSetting &FR &FC &FX;
model r=4 / maxclear;
blocks units=(Machine=2 Step1=8 Step2=4 Step3=2);
uniteffect Machine / whole=(MSetting);
uniteffect Step1 / whole=(&FR) sub=(&FC &FX);
uniteffect Step1*Step2 / whole=(&FC) sub=( &FX);
uniteffect Step1*Step2*Step3 / whole=(&FX);
size design=128;
examine summary;
run;