dataset=wood
begin description
Modified wood data 
from Rousseeuw and Leroy (1987, p. 243)
planted outliers at cases 4, 6, 8 and 19
end description
begin variables
col 0 = case 
col 1 = x1
col 2 = x2
col 3 = x3
col 4 = x4
col 5 = x5
col 6 = y
end variables
begin data
1   0.573   0.1059   0.465   0.538   0.841   0.534
2   0.651   0.1356   0.527   0.545   0.887   0.535
3   0.606   0.1273   0.494   0.521   0.92   0.57
4   0.437   0.1591   0.446   0.423   0.992   0.45
5   0.547   0.1135   0.531   0.519   0.915   0.548
6   0.444   0.1628   0.429   0.411   0.984   0.431
7   0.489   0.1231   0.562   0.455   0.824   0.481
8   0.413   0.1673   0.418   0.43   0.978   0.423
9   0.536   0.1182   0.592   0.464   0.854   0.475
10   0.685   0.1564   0.631   0.564   0.914   0.486
11   0.664   0.1588   0.506   0.481   0.867   0.554
12   0.703   0.1335   0.519   0.484   0.812   0.519
13   0.653   0.1395   0.625   0.519   0.892   0.492
14   0.586   0.1114   0.505   0.565   0.889   0.517
15   0.534   0.1143   0.521   0.57   0.889   0.502
16   0.523   0.132   0.505   0.612   0.919   0.508
17   0.58   0.1249   0.546   0.608   0.954   0.52
18   0.448   0.1028   0.522   0.534   0.918   0.506
19   0.417   0.1687   0.405   0.415   0.981   0.401
20 0.528 0.1057 0.424 0.566 0.909 0.568