# init(predicate:options:) Creates a statistics query descriptor. ``` init(predicate: HKSamplePredicate, 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`](/documentation/HealthKit/HKStatisticsOptions). --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)