Fix bugs in calculations for true negatives when using accuracy _from_column functions
#90
| Job | Run time |
|---|---|
| 3m 10s | |
| 3m 9s | |
| 6m 19s |
_from_column functions
#90
| Job | Run time |
|---|---|
| 3m 10s | |
| 3m 9s | |
| 6m 19s |