** PROC TTEST EXAMPLES;

 ** Example 1;
 ** Comparison of all scores to a single value;

    data scores;
       input gender $ score @@;
       cards;
    f 75  f 76  f 80  f 77  f 80  f 77  f 73
    m 82  m 80  m 85  m 85  m 78  m 87  m 82
    ;
    run;

    proc ttest data=scores  h0=80 ;
       var score;
       title 'GOLF SCORES';
    run;


 ** Example 2;
 ** Comparison of Male and Female Scores;


    proc ttest data=scores;
       class gender;
       var score;
    run;


 ** Example 3;
 ** Paired t-test;

    data a;
       input id pretest posttest;
       cards;
    1   80   82
    2   73   71
    3   70   95
    4   60   69
    5   88  100
    6   84   71
    7   65   75
    8   37   60
    9   91   95
    10  98   99
    11  52   65
    12  78   83
    13  40   60
    14  79   86
    15  59   62
    ;
    run;

  proc ttest data=a;
       paired pretest * posttest;
    run;
** PROC REG EXAMPLE;

    libname sas '\u\consult\sasfiles';

    proc reg data=sas.class;
       model weight = height;
       plot weight*height;
       title 'Height vs. Weight';
    run;
    quit;


** PROC GLM EXAMPLE;

proc glm data=sas.drugtest;
       class drug;
       model y=drug x / solution;
       lsmeans drug / stderr pdiff;
    run;
    quit;