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Documentation Example 7 for PROC POWER

/****************************************************************/
/*          S A S   S A M P L E   L I B R A R Y                 */
/*                                                              */
/*    NAME: pwrex07                                             */
/*   TITLE: Documentation Example 7 for PROC POWER              */
/*          (Confidence Interval Precision)                     */
/* PRODUCT: STAT                                                */
/*  SYSTEM: ALL                                                 */
/*    KEYS: power                                               */
/*          sample size                                         */
/*          power analysis                                      */
/*          half-width                                          */
/*          graphs                                              */
/*   PROCS: POWER                                               */
/*    DATA:                                                     */
/*                                                              */
/* SUPPORT: John Castelloe                                      */
/*     REF:                                                     */
/*    MISC: Graphs produced by ODS Graphics in PROC POWER       */
/*          require a style that distinguishes curves based     */
/*          on a combination of color, line style, and symbol   */
/*          marker.  Styles that are well-suited for use in     */
/*          PROC POWER include: STATISTICAL, ANALYSIS, DEFAULT, */
/*          LISTING, and HTMLBLUECML.                           */
/****************************************************************/

*
ods listing style=htmlbluecml;
ods graphics on;

proc power;
   onesamplemeans ci=t
      alpha = 0.1
      halfwidth = 1000
      stddev = 25000 45000
      probwidth = 0.95
      ntotal = .;
   plot x=effect min=500 max=2000;
run;

ods graphics off;