Obs  Selected    y     x1     x2    x3      x4    x5  x6  x7  x8  x9

   1      0     25.9  4.9176  1.0  3.4720  0.998  1.0   7   4  42   0
   2      0     29.5  5.0208  1.0  3.5310  1.500  2.0   7   4  62   0
   3      0     27.9  4.5429  1.0  2.2750  1.175  1.0   6   3  40   0
   4      0     25.9  4.5573  1.0  4.0500  1.232  1.0   6   3  54   0
   5      0     29.9  5.0597  1.0  4.4550  0.988  1.0   6   3  56   0
   6      0     30.9  5.8980  1.0  5.8500  1.240  1.0   7   3  51   1
   8      0     35.9  5.8282  1.0  6.4350  1.225  2.0   6   3  32   0
   9      0     31.5  5.3003  1.0  4.9883  1.552  1.0   6   3  30   0
  11      0     30.0  5.0500  1.0  5.0000  1.020  0.0   5   2  46   1
  12      0     36.9  8.2464  1.5  5.1500  1.664  2.0   8   4  50   0
  13      0     41.9  6.6969  1.5  6.9020  1.488  1.5   7   3  22   1
  14      0     40.5  7.7841  1.5  7.1020  1.376  1.0   6   3  17   0
  15      0     43.9  9.0384  1.0  7.8000  1.500  1.5   7   3  23   0
  17      0     37.9  7.5422  1.5  5.0000  1.690  1.0   6   3  22   0
  18      0     44.5  8.7951  1.5  9.8900  1.890  2.0   8   4  50   1
  19      0     37.9  6.0831  1.5  6.7265  1.652  1.0   6   3  44   0
  20      0     38.9  8.3607  1.5  9.1500  1.777  2.0   8   4  48   1
   7      1      .    5.6039  1.0  9.5200  1.501  0.0   6   3  32   0
  10      1      .    6.2712  1.0  5.5200  0.975  1.0   5   2  30   0
  16      1      .    5.9894  1.0  5.5200  1.256  2.0   6   3  40   1
  21      1      .    8.1400  1.0  8.0000  1.504  2.0   7   3   3   0
  22      1      .    9.1416  1.5  7.3262  1.831  1.5   8   4  31   0