/****************************************************************/
/* S A S S A M P L E L I B R A R Y */
/* */
/* NAME: pwrex10 */
/* TITLE: Documentation Example 10 for PROC POWER */
/* (Wilcoxon-Mann-Whitney Test) */
/* PRODUCT: STAT */
/* SYSTEM: ALL */
/* KEYS: power */
/* sample size */
/* power analysis */
/* rank-sum */
/* Mann-Whitney U */
/* graphs */
/* PROCS: POWER */
/* DATA: */
/* */
/* SUPPORT: John Castelloe */
/* REF: */
/* MISC: */
/****************************************************************/
ods graphics on;
proc power;
twosamplewilcoxon
vardist("lidocaine") = ordinal ((-3 -2 -1 0 1 2 3) :
(.01 .04 .20 .50 .20 .04 .01))
vardist("Mir+lido") = ordinal ((-3 -2 -1 0 1 2 3) :
(.01 .03 .15 .35 .30 .10 .06))
variables = "lidocaine" | "Mir+lido"
sides = u
ntotal = 100 250
power = .;
plot step=10;
run;
ods graphics off;