Aggregate:
| "average"
| "max"
| "min"
| "count"
| "sum"
| "interpolation"
| "stepInterpolation"
| "totalVariation"
| "continuousVariance"
| "discreteVariance"
| "maxDatapoint"
| "minDatapoint"
| "countGood"
| "countUncertain"
| "countBad"
| "durationGood"
| "durationUncertain"
| "durationBad"