set rng=mc seed=17760704.
new file.
input program.
  vector x(4).
  loop #i=1 to 200.
    loop #j=1 to 4.
        compute x(#j)=rv.normal(0,1).
    end loop.
    end case.
  end loop.
  end file.
end input program.
compute y=1.5+0.8*x1-0.7*x2+1.1*x3-1.7*x4+rv.normal(0,1).
execute.