/*-----------------------------------------------------------------
            S A S   S A M P L E   L I B R A R Y                   
                                                                  
      NAME: SEQDEX6                                               
     TITLE: Documentation Example 6 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 6                             
      MISC:                                                       
-----------------------------------------------------------------*/

ods graphics on;
proc seqdesign altref=0.2
               bscale=score
               errspend
               plots=(combinedboundary errspend(hscale=info))
               ;
   StopToRejectAccept: design nstages=5 method=tri alt=upper stop=both;
   StopToReject:       design nstages=5 method=tri alt=upper stop=reject;
   StopToAccept:       design nstages=5 method=tri alt=upper stop=accept;
run;