/* x3_1.sas */
/* Purpose:  */

title1 'Example 3.1. (Idea for data model was: y=2x-1)';

data a;
input y a b;
cards;
 1.1 1 1
 4.9 1 3
 6.9 1 4
11.1 1 6
;

proc print data=a;
title2 'List of data.';

proc glm data=a;
  model y=a b /noint xpx inverse solution;
title2 'Analysis by GLM.';

proc glm data=a;
  model y=b /xpx inverse solution;
title2 'Alternative analysis by GLM.';

run;