Contents

init(namedColumns:)

Creates a data table from a dictionary of column names and untyped columns.

Declaration

init(namedColumns: [String : MLUntypedColumn]) throws

Parameters

  • namedColumns:

    The dictionary of each column name and its associated untyped column data.

Discussion

Use this initializer to create a data table from untyped columns.

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For example, to create a data table as shown above, first create your untyped columns.

let pages = MLUntypedColumn([124, 98, 280, 94])
let genre = MLUntypedColumn(["Fantasy", "Drama", "Adventure", "Fantasy"])
let title = MLUntypedColumn(["Alice in Wonderland", "Hamlet", "Treasure Island", "Peter Pan"])
let author = MLUntypedColumn(["Lewis Carroll", "William Shakespeare", "Robert L. Stevenson", "J. M. Barrie"])

Then, use init(namedColumns:) to create a data table from the columns paired with their names.

let bookTable = try MLDataTable(namedColumns: ["Title": title,
                                               "Author": author,
                                               "Pages": pages,
                                               "Genre": genre])

See Also

Creating a data table