              loss       cov
event_id                    
0         0.004858  0.021976
1         0.005175  0.027563
2         0.004567  0.025225
3         0.004294  0.024449
4         0.004490  0.029365
...            ...       ...
67        0.002580  0.018490
68        0.007316  0.103488
69        0.004485  0.030356
70        0.003024  0.025154
71        0.030044  0.134737

[72 rows x 2 columns]