org.encog.app.quant.indicators

Class Indicator

java.lang.Object

org.encog.app.analyst.csv.basic.BaseCachedColumn

org.encog.app.quant.indicators.Indicator

Direct Known Subclasses:

BestClose, BestReturn, MovingAverage

public abstract class Indicator
extends BaseCachedColumn

An indicator, used by Encog.

Constructor Summary

Constructors

Constructor and Description
Indicator(java.lang.String name, boolean input, boolean output) Construct the indicator.

Method Summary

Modifier and Type	Method and Description
abstract void	calculate(java.util.Map<java.lang.String,BaseCachedColumn> data, int length) Calculate this indicator.
int	getBeginningIndex()
int	getEndingIndex()
abstract int	getPeriods()
void	require(java.util.Map<java.lang.String,BaseCachedColumn> theData, java.lang.String item) Require a specific type of underlying data.
void	setBeginningIndex(int theBeginningIndex)
void	setEndingIndex(int theEndingIndex)

Methods inherited from class org.encog.app.analyst.csv.basic.BaseCachedColumn

allocate, getData, getName, isIgnore, isInput, isOutput, setIgnore, setInput, setName, setOutput

Methods inherited from class java.lang.Object

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

Constructor Detail

Indicator

public Indicator(java.lang.String name,
                 boolean input,
                 boolean output)

Construct the indicator.

Parameters:

name - The indicator name.

input - Is this indicator used to predict?

output - Is this indicator what we are trying to predict.

Method Detail

calculate

public abstract void calculate(java.util.Map<java.lang.String,BaseCachedColumn> data,
                               int length)

Calculate this indicator.

Parameters:

data - The data available to this indicator.

length - The length of data to use.

getBeginningIndex

public final int getBeginningIndex()

Returns:

the beginningIndex

getEndingIndex

public final int getEndingIndex()

Returns:

the endingIndex

getPeriods

public abstract int getPeriods()

Returns:

The number of periods this indicator is for.

require

public final void require(java.util.Map<java.lang.String,BaseCachedColumn> theData,
                          java.lang.String item)

Require a specific type of underlying data.

Parameters:

theData - The data available.

item - The type of data we are looking for.

setBeginningIndex

public final void setBeginningIndex(int theBeginningIndex)

Parameters:

theBeginningIndex - the beginningIndex to set

setEndingIndex

public final void setEndingIndex(int theEndingIndex)

Parameters:

theEndingIndex - the endingIndex to set.