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Column.take

takerange

Group: Selections
Aliases: first, head, keep, last, limit, sample, slice, tail, top

Documentation​

Creates a new Column with the specified range of rows from the input Column.

Arguments​

  • range: The selection of rows from the table to return.

Returns​

A new Column containing the selected rows.

Examples​

Select the first row from the "Name" Column.​

      table = Table.new [["Name", ["Alice", "Bob", "Charlie"]]]
      column = table.get "Name"
      ## The take returns "Alice"
      first_row = column.take (..First 1)

Select the last row from the "Name" Column.​

      table = Table.new [["Name", ["Alice", "Bob", "Charlie"]]]
      column = table.get "Name"
      ## The take returns "Charlie"
      last_row = column.take (..Last 1)

Errors​

  • If the range is out of bounds, an Index_Out_Of_Bounds error is raised.