# maximumAbsoluteError(_:) Computes the maximum absolute error between predicted and ground truth values. ``` func maximumAbsoluteError(_ annotatedPredictions: [AnnotatedPrediction]) -> T where T : FloatingPoint ``` ## Parameters `annotatedPredictions` An `AnnotatedPrediction` object. ## Return Value The maximum absolute error. ## Discussion If an empty `AnnotatedPrediction` is supplied, the result will be NaN. --- 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)