# init(_:) Creates a new column from a given sequence of elements. ``` init(_ source: S) where Element == S.Element, S : Sequence ``` ## Parameters `source` A sequence of elements for the new column. ## Discussion Use this initializer to create a column from a sequence of any type that conforms to [`MLDataValueConvertible`](/documentation/CreateML/MLDataValueConvertible). ```swift let sequenceColumn = MLDataColumn([2, 3, 5, 7, 11]) print(sequenceColumn) // Prints [2, 3, 5, 7, 11] ``` --- 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)