Documentation Example 11 for PROC SEQDESIGN
/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: SEQDX11 */
/* TITLE: Documentation Example 11 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 11 */
/* MISC: */
/****************************************************************/
ods graphics on;
proc seqdesign altref=1.0
pss(cref=0 0.5 1)
stopprob(cref=0 0.5 1)
errspend
plots=(asn power errspend)
;
TwoSidedErrorSpending: design nstages=3
method(upperalpha)=errfuncpow(rho=3)
method(loweralpha)=errfuncpow(rho=1)
info=cum(2 3 4)
alt=twosided
stop=reject
alpha=0.075(upper=0.025)
;
run;
ods graphics off;