ReadonlyvariantVariant ID
ReadonlynameVariant name
ReadonlynNumber of observations
ReadonlysuccessesSuccess count
ReadonlysuccessSuccess rate
ReadonlyavgAverage reward
ReadonlyavgAverage latency in ms
ReadonlysumSum of rewards (for incremental computation)
ReadonlysumSum of latencies (for incremental computation)
Variant statistics.