io.warp10.script.aggregator

Class StandardDeviation

java.lang.Object

io.warp10.script.NamedWarpScriptFunction

io.warp10.script.aggregator.StandardDeviation

All Implemented Interfaces:

WarpScriptAggregatorFunction, WarpScriptBucketizerFunction, WarpScriptMapperFunction, WarpScriptReducerFunction

public class StandardDeviation
extends NamedWarpScriptFunction
implements WarpScriptMapperFunction, WarpScriptReducerFunction, WarpScriptBucketizerFunction

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StandardDeviation.Builder

Constructor Summary

Constructors

Constructor and Description
StandardDeviation(java.lang.String name, boolean useBessel, boolean forbidNulls)
StandardDeviation(java.lang.String name, boolean useBessel, boolean forbidNulls, boolean useWelford)

Method Summary

Modifier and Type	Method and Description
java.lang.Object	apply(java.lang.Object[] args)
java.lang.String	toString()

Methods inherited from class io.warp10.script.NamedWarpScriptFunction

getName, refSnapshot, setName

Methods inherited from class java.lang.Object

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

Constructor Detail

StandardDeviation

public StandardDeviation(java.lang.String name,
                         boolean useBessel,
                         boolean forbidNulls)

StandardDeviation

public StandardDeviation(java.lang.String name,
                         boolean useBessel,
                         boolean forbidNulls,
                         boolean useWelford)

Method Detail

apply

public java.lang.Object apply(java.lang.Object[] args)
                       throws WarpScriptException

Specified by:

apply in interface WarpScriptAggregatorFunction

Throws:

WarpScriptException

toString

public java.lang.String toString()

Overrides:

toString in class NamedWarpScriptFunction