//age sex heart exer teacher aero 
28     1  86  2   Yang  36.6
41     1  76  3   Yang  26.7
30     1  78  2   Yang  33.8
39     4  90  1   Yang  13.6
28     1  96  1   Yang  33.
26     1  74  2   Yang  42.7
48     4  72  2   Yang  22.6
31     1  60  3   Yang  44.1
28     4  84  2   Reed  22.1
33     4  56  4   Reed  21.3
37     4  78  2   Reed  30.3
46     1  84  1   Reed  34.2
23     1  72  2   Reed  38.1
25     4  88  1   Reed  32.0
37     4  72  2   Reed  43.7
42     1  60  3   Reed  36.7
44     4  78  3   Czika 21.6
25     4  60  3   Czika 36.1
24     4  74  2   Czika 29.9
29     4  66  4   Czika 38.9
27     1  62  4   Czika 44.0
24     1  72  3   Czika 44.2
36     4  80  1   Czika 26.2
24     1  82  2   Czika 18.7
23     1  54  3   Czika 70.6
28     4  76  1   Czika 23.8
30     4  66  2   Czika 28.9
25     1  54  3   Amund 41.3
48     4  72  2   Amund 28.9
23     4  68  1   Amund 18.9
22     4  78  2   Amund 39.0
23     4  66  3   Amund 36.1
46     4  54  3   Amund 28.9
31     4  84  1   Amund 21.6
45     1  60  2   Amund 47.8
27     1  90  2   Amund 43.1
26     1  66  2   Amund 28.9
24     1  72  3   Amund 50.1
32     4  72  1   Amund 15.7
29     1  54  3   Amund 44.8
48     4  66  2   Amund 28.9
36     4  66  2   Amund 33.2