Package trade.invision.indicators.indicators.ma.ema

Class WellesWilderMovingAverage

java.lang.Object

trade.invision.indicators.indicators.Indicator<Num>

trade.invision.indicators.indicators.CachingIndicator<Num>

trade.invision.indicators.indicators.RecursiveIndicator<Num>

trade.invision.indicators.indicators.ma.ema.WellesWilderMovingAverage

public class WellesWilderMovingAverage
extends RecursiveIndicator<Num>

WellesWilderMovingAverage is a Num Indicator to provide a Welles Wilder Moving Average (WWMA) over a length of values. This is the same as an Exponential Moving Average (EMA) except it uses a multiplier of 1 / length. Used in Welles Wilder indicators, like the Relative Strength Index (RSI).

See Also:

• FM Labs

Nested Class Summary

Nested classes/interfaces inherited from class trade.invision.indicators.indicators.Indicator

Indicator.CacheSeries

Field Summary

Fields inherited from class trade.invision.indicators.indicators.Indicator

cachedAddCallCount, cachedIndex, cachedValue, cacheSeries, minimumStableIndex, series

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	WellesWilderMovingAverage(Indicator<Num> indicator, int length)

Method Summary

Modifier and Type	Method	Description
protected Num	calculate(long index)	Performs the calculation of this Indicator at the given index.
static WellesWilderMovingAverage	wellesWilderMovingAverage(Indicator<Num> indicator, int length)	Gets a WellesWilderMovingAverage.
static WellesWilderMovingAverage	wwma(Indicator<Num> indicator, int length)

Methods inherited from class trade.invision.indicators.indicators.RecursiveIndicator

getValue

Methods inherited from class trade.invision.indicators.indicators.Indicator

caching, getMinimumStableIndex, getSeries, isCaching, numOf, numOf, numOf, numOf, numOfEight, numOfFive, numOfFour, numOfHalf, numOfHundred, numOfHundredth, numOfNegativeOne, numOfNine, numOfOne, numOfSeven, numOfSix, numOfTen, numOfTenth, numOfThousand, numOfThousandth, numOfThree, numOfTwo, numOfZero, purgeCache

Methods inherited from class java.lang.Object

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

Constructor Details

WellesWilderMovingAverage

protected WellesWilderMovingAverage(Indicator<Num> indicator,
 int length)

Method Details

wwma

public static WellesWilderMovingAverage wwma(Indicator<Num> indicator,
 int length)

See Also:

• wellesWilderMovingAverage(Indicator, int)

wellesWilderMovingAverage

public static WellesWilderMovingAverage wellesWilderMovingAverage(Indicator<Num> indicator,
 int length)

Gets a WellesWilderMovingAverage.

Parameters:

indicator - the Indicator

length - the number of values to look back at

calculate

protected Num calculate(long index)

Description copied from class: Indicator

Performs the calculation of this Indicator at the given index.

Specified by:

calculate in class Indicator<Num>

Parameters:

index - the index

Returns:

the result (never null)