# Interface Aggregation

public interface Aggregation
This interface defines an aggregation scheme.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Double`
  `aggregate(double[] values)`
  `Double`
  `aggregate(DoubleIterable values)`
  `boolean`
  `requestSizeWeightValues()`

- ## Method Details

  - ### aggregate

    Double aggregate(double[] values)

  - ### aggregate

    Double aggregate(DoubleIterable values)

  - ### requestSizeWeightValues

    boolean requestSizeWeightValues()