org.encog.ml.data.basic

Class BasicMLData

java.lang.Object

org.encog.ml.data.basic.BasicMLData

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, MLData, CentroidFactory<MLData>

Direct Known Subclasses:

BasicNeuralData, ImageMLData

public class BasicMLData
extends java.lang.Object
implements MLData, java.io.Serializable, java.lang.Cloneable

Basic implementation of the MLData interface that stores the data in an array.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BasicMLData(double[] d) Construct this object with the specified data.
BasicMLData(int size) Construct this object with blank data and a specified size.
BasicMLData(MLData d) Construct a new BasicMLData object from an existing one.

Method Summary

Modifier and Type	Method and Description
void	add(int index, double value) Add a value to the specified index.
void	clear() Clear any data to zero.
MLData	clone() Clone this object.
Centroid<MLData>	createCentroid()
double[]	getData()
double	getData(int index) Get the element specified index value.
MLData	minus(MLData o) Subtract one data element from another.
MLData	plus(MLData o) Add one data element to another.
void	setData(double[] theData) Set all of the data as an array of doubles.
void	setData(int index, double d) Set the specified element.
int	size()
MLData	threshold(double thresholdValue, double lowValue, double highValue) Apply a thresholding function to the data elements.
MLData	times(double d) Multiply one data element with another.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicMLData

public BasicMLData(double[] d)

Construct this object with the specified data.

Parameters:

d - The data to construct this object with.

BasicMLData

public BasicMLData(int size)

Construct this object with blank data and a specified size.

Parameters:

size - The amount of data to store.

BasicMLData

public BasicMLData(MLData d)

Construct a new BasicMLData object from an existing one. This makes a copy of an array.

Parameters:

d - The object to be copied.

Method Detail

add

public void add(int index,
                double value)

Add a value to the specified index.

Specified by:

add in interface MLData

Parameters:

index - The index to add to.

value - The value to add.

clear

public void clear()

Clear any data to zero.

Specified by:

clear in interface MLData

clone

public MLData clone()

Clone this object.

Specified by:

clone in interface MLData

Overrides:

clone in class java.lang.Object

Returns:

A cloned version of this object.

getData

public double[] getData()

Specified by:

getData in interface MLData

Returns:

All of the elements as an array.

getData

public double getData(int index)

Get the element specified index value.

Specified by:

getData in interface MLData

Parameters:

index - The index to read.

Returns:

The value at the specified inedx.

setData

public void setData(double[] theData)

Set all of the data as an array of doubles.

Specified by:

setData in interface MLData

Parameters:

theData - An array of doubles.

setData

public void setData(int index,
                    double d)

Set the specified element.

Specified by:

setData in interface MLData

Parameters:

index - The index to set.

d - The data for the specified element.

size

public int size()

Specified by:

size in interface MLData

Returns:

How many elements are stored in this object.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

createCentroid

public Centroid<MLData> createCentroid()

Specified by:

createCentroid in interface CentroidFactory<MLData>

Returns:

The centroid.

plus

public MLData plus(MLData o)

Add one data element to another. This does not modify the object.

Parameters:

o - The other data element

Returns:

The result.

times

public MLData times(double d)

Multiply one data element with another. This does not modify the object.

Parameters:

d - The other data element

Returns:

The result.

minus

public MLData minus(MLData o)

Subtract one data element from another. This does not modify the object.

Parameters:

o - The other data element

Returns:

The result.

threshold

public MLData threshold(double thresholdValue,
                        double lowValue,
                        double highValue)

Apply a thresholding function to the data elements. This does not modify the object.

Parameters:

thresholdValue - the value to which elements are compared

lowValue - the value to use if ≤ threshold

highValue - the value to use if ≥ threshold

Returns:

The result.