options ps=60 nodate nonumber;
data cardenz1;
infile 'N:\public_html\structured_data\cardenz1.dat';
input heart a b atp_0 atp_1 - atp_9;

title1 'CARDIAC ENZYME DATA';
title2 '-------------------';

*  VIEWING THE DATA ;
*  ---------------- ;

proc print;
var a b atp_0 atp_1 - atp_9;   id heart;
title3 'ATP levels during 12-hour period following initial preservation';
title4;
run;

/*-----------------------------------------------
| An analysis can be performed using the        |
| REPEATED statement on the glm procedure.      |
-----------------------------------------------*/
proc glm data=cardenz1;
class a b;
model atp_1--atp_9 = a b a*b /nouni ss2;
repeated time 9 (1 2 3 4 5 6 8 10 12) /printe;
run;