/* describemath1.sas */
%include '/home/u1407221/441s24/SAS06/ReadLabelMath.sas';
title2 'Descriptive statistics on the Exploratory Sample';

/* id sex tongue rater1 rater2 ethnic 
      hsgpa hscalc hsengl havecalc
      class precalc calc totscore grade passed outcome */

proc freq data=explore;
     title3 'Categorical Variables';
     tables sex tongue rater1 rater2 ethnic class 
            havecalc passed outcome;
     tables havecalc*class / nocol nopercent;

proc means data=explore;
     title3 'Quantitative Variables';
     var precalc calc totscore hsgpa hscalc hsengl grade;

proc univariate normal plot; 
     title3 'Detailed look at grade';
     var grade;

/* The following suggests that profs in Courses 1 and 3 bumped  
   the marks discontinuously, while the prof in Course 2 did  
   something more sophisticated. */

proc freq;
     title3 'Grade separately by course';
     tables grade*class / norow nocol nopercent;

proc freq;
     title3 'Do Raters Agree on on Nationality?';
     tables rater1*rater2 / norow nocol;

run; 
quit;
/*****************************************************************/