Mixed-Level Design with Collapsing Factors
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: FACTEX6C */
/* TITLE: Mixed-Level Design with Collapsing Factors */
/* PRODUCT: QC */
/* SYSTEM: ALL */
/* KEYS: Design of Experiments, Factorial Designs, */
/* PROCS: FACTEX */
/* DATA: */
/* */
/* REF: SAS/QC Software: Usage and Reference, Version 6, */
/* First Edition, Volume 1 and Volume 2 */
/* MISC: */
/* */
/****************************************************************/
proc factex;
factors x1-x4 / nlev = 3;
size design=27;
model r=4;
output out=MixedLevel x1 nvals=(-1 1 -1)
x2 nvals=(-1 1 -1);
run;
proc print data=MixedLevel;
run;