External module "utils/tabulate/docs/types/index.d"

Export assignment tabulate

• tabulate(collection: Collection): Array<Array<any>>

• Generates a frequency table.

  Notes

  • The output is an array of arrays. Each sub-array corresponds to a unique value in the input collection and is structured as follows:

    • 0: unique value
    • 1: value count
    • 2: frequency percentage

  • If provided an empty collection, the function returns an empty array.

  Parameters

  • collection: Collection

    input collection

  Returns Array < Array < any > >

  frequency table

  Example

  var arr = [ 'beep', 'boop', 'foo', 'beep' ];
  
  var out = tabulate( arr );
  // returns [ [ 'beep', 2, 0.5 ], [ 'boop', 1, 0.25 ], [ 'foo', 1, 0.25 ] ]