public final class DoubleMeanValueAggregatorFunction extends Object implements UnaryFunction<List<Double>,Double>
AbstractListBackedAggregator
which computes the arithmetic mean of all the numbers in the list.| Constructor and Description |
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DoubleMeanValueAggregatorFunction() |
public DoubleMeanValueAggregatorFunction()
public Double evaluate(List<Double> data)
evaluate in interface UnaryFunction<List<Double>,Double>data - List to traverse and sumCopyright © 2003-2013 The Apache Software Foundation. All Rights Reserved.