/* sas1.sas: suggested solution for sas 1 exercise */
/* Bjarne Kjær Ersbøll 2001-09-23 */

title1 'SAS 1 - suggested solution';

data prob7;
input x1 x2 x3;
cards;
5.1 3.5 6.3
4.9 3.0 5.8
4.6 3.2 7.1
5.0 3.1 6.3
5.4 3.6 6.5
;

proc print data=prob7;
title2 'Problem 7 - first 5 obs only';

proc princomp cov data=prob7;
title2 'Problem 7 - covariance matrix, eigen-values & -vectors';

proc print data=stat2.sundhed;
title2 'Print of fitness data';

proc plot data=stat2.sundhed;
plot ilt*maxpuls;
title2 '"Simple" plot of oxygen uptake vs max-pulse';
title3 'Graphically more pleasing plots can be made using "insight" or "gplot"';

proc gplot data=stat2.sundhed;
plot ilt*maxpuls;
title2 'Plot of oxygen uptake vs max-pulse';
run;