options nodate pagesize=54 linesize=80;

/* Read in the input file   */

data ex0304;
* infile '../../../data/biostat/ex0304.dat';
infile 'C:\biostat\data\ex0304.dat';
input group auc;
run;

/* Obtain two-sample t-test where auc is the dependent variable
and group is the independent (classification variable)  */

proc ttest;
class group;
var auc;
run;

/* Conduct the Wilcoxon Rank-Sum test  */

proc npar1way;
class group;
var auc;
run;

/* Obtain a plot of auc versus group  */

proc plot;
plot auc*group;
run;

quit;