| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods | Missed | Classes |
| Total | 384 of 679 | 43% | 43 of 58 | 25% | 48 | 80 | 80 | 150 | 18 | 48 | 3 | 13 |
| GroupMaker.java | | 28% | | 21% | 23 | 32 | 37 | 55 | 11 | 18 | 1 | 4 |
| AggregationSpecification.java | | 56% | | 25% | 15 | 30 | 27 | 60 | 6 | 21 | 2 | 7 |
| GroupingState.java | | 43% | | 33% | 10 | 18 | 16 | 35 | 1 | 9 | 0 | 2 |