/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: SEQDEX7 */
/* TITLE: Documentation Example 7 for PROC SEQDESIGN */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: group sequential design */
/* PROCS: SEQDESIGN */
/* DATA: */
/* */
/* SUPPORT: Yang Yuan UPDATE: Aug 21, 2007 */
/* REF: PROC SEQDESIGN, EXAMPLE 7 */
/* MISC: */
/****************************************************************/
ods graphics on;
proc seqdesign altref=0.693147
bscale=score
plots=combinedboundary
;
BoundaryKeyNone: design nstages=4
method=whitehead
boundarykey=none
alt=upper stop=both
alpha=0.05 beta=0.20
;
BoundaryKeyAlpha: design nstages=4
method=whitehead
boundarykey=alpha
alt=upper stop=both
alpha=0.05 beta=0.20
;
BoundaryKeyBeta: design nstages=4
method=whitehead
boundarykey=beta
alt=upper stop=both
alpha=0.05 beta=0.20
;
run;
ods graphics off;