dataset = Figure2.9
begin description
Simulated example where y = 3 + x1 + x2/2  without error
          
end description
begin variables
Col 0 = x1
Col 1 = x2
Col 2 = y
end variables
begin data
(
1.094 0.5698 4.379 
-0.382 -0.6365 2.3 
0.2293 -0.5893 2.935 
-0.9806 2.334 3.186 
-0.4339 -1.308 1.912 
0.6124 1.517 4.371 
0.2645 1.405 3.967 
-0.817 1.078 2.722 
-0.9066 1.444 2.816 
2.696 8.344 9.868 
0.2614 0.2479 3.385 
0.2607 -0.7755 2.873 
-0.5143 1.489 3.23 
-0.6284 0.4133 2.578 
-0.8238 2.436 3.394 
-1.524 2.939 2.946 
-0.1619 1.121 3.399 
-0.7021 0.2387 2.417 
1.148 2.897 5.596 
-0.2753 0.3653 2.907 
-0.6385 0.8397 2.781 
0.4232 -0.41 3.218 
1.561 1.932 5.527 
-0.5457 -0.8935 2.008 
-0.1761 0.5409 3.094 
0.8101 -1.228 3.196 
1.306 2.659 5.636 
0.5713 0.3636 3.753 
-0.3077 -0.3778 2.503 
-0.6763 0.6533 2.65 
-0.1171 0.2351 3 
-0.5093 0.513 2.747 
1.726 5.016 7.234 
-1.9 3.319 2.76 
-0.01207 1.589 3.783 
-1.09 0.05591 1.938 
-0.3527 -1.028 2.133 
0.5549 0.2284 3.669 
-0.865 1.708 2.989 
-0.7003 0.6147 2.607 
1.244 1.123 4.805 
0.3572 -1.296 2.709 
-0.2424 -0.323 2.596 
-0.4913 1.043 3.03 
0.1459 -0.4103 2.941 
0.2064 0.648 3.53 
-1.456 1.681 2.385 
0.6896 0.363 3.871 
-0.8549 0.5127 2.4 
)