| line | !l | l&&!r | l&&r | condition | 
 
| 434 | 3 | 21 | 0 | $display_stats and not defined $identifier | 
 
| 468 | 324 | 72 | 33 | $output >= $self->threshold and $row->{$expected_output_header} eq 0 | 
 
|  | 72 | 48 | 276 | $output < $self->threshold and $row->{$expected_output_header} eq 1 | 
 
|  | 72 | 0 | 48 | $output < $self->threshold and $row->{$expected_output_header} eq 0 | 
 
|  | 0 | 0 | 72 | $output >= $self->threshold and $row->{$expected_output_header} eq 1 | 
 
| 882 | 22 | 12 | 10 | $row->{$actual_header} == 1 and $row->{$predicted_header} == 1 | 
 
|  | 14 | 4 | 16 | $row->{$actual_header} == 0 and $row->{$predicted_header} == 0 | 
 
|  | 6 | 0 | 12 | $row->{$actual_header} == 1 and $row->{$predicted_header} == 0 | 
 
|  | 2 | 0 | 4 | $row->{$actual_header} == 0 and $row->{$predicted_header} == 1 |