init(predicate:options:)
Creates a statistics query descriptor.
Declaration
init(predicate: HKSamplePredicate<HKQuantitySample>, options: HKStatisticsOptions)Parameters
- predicate:
A predicate that defines the set of data that the query uses to calculate the statistics.
- options:
A list of options that define the type of statistical calculations performed and the way in which HealthKit merges data from multiple sources. For a list of valid options, see Hkstatisticsoptions.