# init(csvData:columns:rows:options:) Creates a data frame from CSV data. ``` init(csvData data: Data, columns: repeat ColumnID, rows: Range? = nil, options: CSVReadingOptions = .init()) throws ``` ## Parameters `data` The contents of a CSV file. `columns` The column identifiers. `rows` A range of indices; Set to `nil` to use every row in the CSV file. `options` The options that tell the data frame how to read the CSV data. --- 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)