/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: pwrdet */
/* TITLE: Documentation Details Examples for PROC POWER */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: power */
/* sample size */
/* power analysis */
/* error */
/* info */
/* information */
/* PROCS: POWER */
/* DATA: */
/* */
/* SUPPORT: John Castelloe */
/* REF: */
/* MISC: */
/****************************************************************/
proc power;
twosamplefreq test=pchi
method=normal
oddsratio= 1.0001
refproportion=.4
nulloddsratio=1
power=.9
ntotal=.;
run;
proc power;
twosamplemeans
meandiff= 0 7
stddev=2
ntotal=2 5
power=.;
ods output output=Power;
run;
proc print noobs data=Power;
var MeanDiff NominalNTotal NTotal Power Error Info;
run;