AggregationFunction

All Superinterfaces:: Serializable, SimpleFunction<List<Double>,Double>

All Known Implementing Classes:: AverageAggregator, MaxAggregator, MinAggregator, ProductAggregator, SumAggregator

public interface AggregationFunction extends SimpleFunction<List<Double>,Double>, Serializable

This class aggregates a list of doubles to a single double.

Author:: Matthias Thimm

Method Summary

Modifier and Type

Method

Description

Double

eval(List<Double> x)

Evaluates the function for the given element.

String

toString()

Method Details
- eval
  
  Double eval(List<Double> x)
  
  Description copied from interface: SimpleFunction
  
  Evaluates the function for the given element.
  
  Specified by:
  
  eval in interface SimpleFunction<List<Double>,Double>
  
  Parameters:
  
  x - some element
  
  Returns:
  
  the value of the element.
- toString
  
  String toString()
  
  Overrides:
  
  toString in class Object