# fillMissing(with:) Creates a modified copy of the column such that every missing element is replaced with the given value. ``` func fillMissing(with value: Element) -> MLDataColumn ``` ## Parameters `value` A value used to replace every undefined element. ## Return Value A new column. --- 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)