jsat.classifiers.neuralnetwork

Enum BackPropagationNet.WeightInitialization

java.lang.Object

java.lang.Enum<BackPropagationNet.WeightInitialization>

jsat.classifiers.neuralnetwork.BackPropagationNet.WeightInitialization

All Implemented Interfaces:

Serializable, Comparable<BackPropagationNet.WeightInitialization>

Enclosing class:

BackPropagationNet

public static enum BackPropagationNet.WeightInitialization
extends Enum<BackPropagationNet.WeightInitialization>

Different methods of initializing the weight values before training

Enum Constant Summary

Enum Constants

Enum Constant and Description
GUASSIAN
TANH_NORMALIZED_INITIALIZATION
UNIFORM

Method Summary

Modifier and Type	Method and Description
abstract double	getWeight(int inputSize, int layerSize, double eta, Random rand)
static BackPropagationNet.WeightInitialization	valueOf(String name) Returns the enum constant of this type with the specified name.
static BackPropagationNet.WeightInitialization[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

UNIFORM

public static final BackPropagationNet.WeightInitialization UNIFORM

GUASSIAN

public static final BackPropagationNet.WeightInitialization GUASSIAN

TANH_NORMALIZED_INITIALIZATION

public static final BackPropagationNet.WeightInitialization TANH_NORMALIZED_INITIALIZATION

Method Detail

values

public static BackPropagationNet.WeightInitialization[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (BackPropagationNet.WeightInitialization c : BackPropagationNet.WeightInitialization.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static BackPropagationNet.WeightInitialization valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

getWeight

public abstract double getWeight(int inputSize,
                                 int layerSize,
                                 double eta,
                                 Random rand)

Parameters:

inputSize - also referred to as the fan_in

layerSize - also referred to as the fan_out

eta - the initial learning rate

rand - the source of randomness

Returns:

one weight value