obs y
1   2.21437
2   4.22542
3   2.28477
4   5.48381
5   7.28165
6   3.73905
7   1.27269
8   3.60630
9   4.39496
10   3.06689
11   9.20630
12   3.14890
13   4.72602
14   1.05400
15   5.46980
16   2.74527
17   3.72898
18   5.82462
19   6.77236
20   3.05806
21   6.07816
22   5.68521
23   6.19975
24   5.37860
25   3.16854
26   4.66755
27   4.91269
28   4.51328
29   2.23827
30   3.95790
31   5.17776
32   5.38281
33   6.24381
34   2.03607
35   3.18336
36   8.11998
37   4.56469
38   3.74992
39   3.69102
40   6.64148
41   8.08702
42   7.20933
43   2.62812
44   3.40214
45   3.48135
46   2.69775
47   6.06807
48   3.13112
49   3.60232
50   3.14632
51   4.93084
52   1.73996
53   2.80465
54   6.14969
55   3.69949
56   2.99500
57   6.41403
58   4.98042
59   3.78329
60   4.18579
61   3.83918
62   2.60549
63   2.64448
64   6.35005
65   5.00561
66   3.08689
67   2.98440
68   3.16094
69   5.36260
70   9.04264
71   6.44597
72   8.77108
73   5.85180
74   3.83136
75   5.72589
76   9.47790
77   3.48387
78   5.40618
79   5.49370
80   1.87484
81   3.42102
82   4.87514
83   5.79137
84   2.85932
85   3.78570
86   1.36395
87   3.38484
88   6.95571
89   8.25158
90   6.85674
91   6.16396
92   4.06276
93   4.78169
94   2.05326
95   2.47436
96   2.52638
97   4.99987
98   5.00157
99   7.83313
100   4.01735