dictionary{
num "Subject number"
pos  "Pulsed Oximeter Saturation"
osm  "Oxygen Saturation Meter"}
 1  100  99.7
 2  100  99.8
 3   99  99.1
 4   99  99.7
 5   99  98.5
 6   98  97.2
 7   98  98.0
 8   99  98.1
 9   94  94.6
10   96  97.1
11   97  97.3
12   95  95.7
13   96  98.2
14   72  70.9
15   98  96.8
16   85  83.8
17   98  97.7
18   98  99.2
19   93  93.7
20   93  92.0
21   96  94.7
22   80  82.3
23   97  96.0
24   93  94.3
25   99  98.9
26   99  98.8
27   95  96.6
28   97  96.3
29   97  96.8
30   99  98.7
31   93  93.9
32   96  96.8
33   98  98.6
34   99  98.6
35   94  94.6
36   90  91.2
37   89  90.0
38   94  92.6
39   95  96.9
40   75  72.5
41   81  83.1
42   82  82.6
43   82  83.6
44   81  83.2
45   83  84.5
46   81  82.6
47   83  84.9
48   82  82.3
49   84  84.5
50   93  94.6
51   89  91.0
52   87  88.4
53   89  91.2
54   88  90.1
55   87  85.6
56   87  85.5
57   86  84.8
58   87  87.8
59   89  90.5
60   89  90.8
61   89  88.1
62   88  90.0
63   70  71.8
64   72  72.1
65   72  73.5
66   77  75.2
67   75  75.2
68   74  75.0
69   74  75.6
70   78  77.0
71   77  77.6
72   76  74.8