org.jpmml.evaluator.functions

Class MeanFunction

java.lang.Object

org.jpmml.evaluator.functions.AbstractFunction

org.jpmml.evaluator.functions.UnaryFunction

org.jpmml.evaluator.functions.MeanFunction

All Implemented Interfaces:

Function

public class MeanFunction
extends UnaryFunction

A Java UDF for calculating the mean of a collection of values.

Pseudo-declaration of function:

   <DefineFunction name="..." dataType="double">
     <ParameterField name="values" dataType="collection of numbers"/>
   </DefineFunction>
 

See Also:

Mean

Constructor Summary

Constructors

Constructor and Description
MeanFunction()
MeanFunction(String name)

Method Summary

Modifier and Type	Method and Description
Double	evaluate(Collection<?> values)
FieldValue	evaluate(FieldValue value)

Methods inherited from class org.jpmml.evaluator.functions.UnaryFunction

evaluate

Methods inherited from class org.jpmml.evaluator.functions.AbstractFunction

checkFixedArityArguments, checkVariableArityArguments, checkVariableArityArguments, getAliases, getArgument, getName, getOptionalArgument, getRequiredArgument

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MeanFunction

public MeanFunction()

MeanFunction

public MeanFunction(String name)

Method Detail

evaluate

public Double evaluate(Collection<?> values)

evaluate

public FieldValue evaluate(FieldValue value)

Specified by:

evaluate in class UnaryFunction