gov.sandia.cognition.learning.algorithm.perceptron.kernel

Class RemoveOldestKernelPerceptron<InputType>

java.lang.Object

gov.sandia.cognition.util.AbstractCloneableSerializable

gov.sandia.cognition.learning.algorithm.AbstractBatchAndIncrementalLearner<InputOutputPair<? extends InputType,OutputType>,ResultType>

gov.sandia.cognition.learning.algorithm.AbstractSupervisedBatchAndIncrementalLearner<InputType,java.lang.Boolean,DefaultKernelBinaryCategorizer<InputType>>

gov.sandia.cognition.learning.algorithm.perceptron.kernel.AbstractOnlineKernelBinaryCategorizerLearner<InputType>

gov.sandia.cognition.learning.algorithm.perceptron.kernel.AbstractOnlineBudgetedKernelBinaryCategorizerLearner<InputType>

gov.sandia.cognition.learning.algorithm.perceptron.kernel.RemoveOldestKernelPerceptron<InputType>

Type Parameters:

InputType - The input type to learn over, which is passed to the kernel function.

All Implemented Interfaces:

BatchAndIncrementalLearner<InputOutputPair<? extends InputType,java.lang.Boolean>,DefaultKernelBinaryCategorizer<InputType>>, BatchLearner<java.util.Collection<? extends InputOutputPair<? extends InputType,java.lang.Boolean>>,DefaultKernelBinaryCategorizer<InputType>>, IncrementalLearner<InputOutputPair<? extends InputType,java.lang.Boolean>,DefaultKernelBinaryCategorizer<InputType>>, SupervisedBatchAndIncrementalLearner<InputType,java.lang.Boolean,DefaultKernelBinaryCategorizer<InputType>>, SupervisedBatchLearner<InputType,java.lang.Boolean,DefaultKernelBinaryCategorizer<InputType>>, SupervisedIncrementalLearner<InputType,java.lang.Boolean,DefaultKernelBinaryCategorizer<InputType>>, KernelContainer<InputType>, CloneableSerializable, java.io.Serializable, java.lang.Cloneable

public class RemoveOldestKernelPerceptron<InputType>
extends AbstractOnlineBudgetedKernelBinaryCategorizerLearner<InputType>

A budget kernel Perceptron that always removes the oldest item.

Since:

3.3.0

Author:

Justin Basilico

See Also:

Serialized Form

Field Summary

Fields inherited from class gov.sandia.cognition.learning.algorithm.perceptron.kernel.AbstractOnlineBudgetedKernelBinaryCategorizerLearner

budget, DEFAULT_BUDGET

Fields inherited from class gov.sandia.cognition.learning.algorithm.perceptron.kernel.AbstractOnlineKernelBinaryCategorizerLearner

kernel

Constructor Summary

Constructors

Constructor and Description
RemoveOldestKernelPerceptron() Creates a new RemoveOldestKernelPerceptron with a null kernel and default budget.
RemoveOldestKernelPerceptron(Kernel<? super InputType> kernel, int budget) Creates a new RemoveOldestKernelPerceptron with the given parameters.

Method Summary

Modifier and Type	Method and Description
DefaultKernelBinaryCategorizer<InputType>	createInitialLearnedObject() Creates a new initial learned object, before any data is given.
void	update(DefaultKernelBinaryCategorizer<InputType> target, InputType input, boolean label) Updates the target categorizer based on the given input and its associated output.

Methods inherited from class gov.sandia.cognition.learning.algorithm.perceptron.kernel.AbstractOnlineBudgetedKernelBinaryCategorizerLearner

getBudget, setBudget

Methods inherited from class gov.sandia.cognition.learning.algorithm.perceptron.kernel.AbstractOnlineKernelBinaryCategorizerLearner

getKernel, setKernel, update

Methods inherited from class gov.sandia.cognition.learning.algorithm.AbstractSupervisedBatchAndIncrementalLearner

update

Methods inherited from class gov.sandia.cognition.learning.algorithm.AbstractBatchAndIncrementalLearner

clone, learn, learn, update

Methods inherited from class java.lang.Object

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

Methods inherited from interface gov.sandia.cognition.util.CloneableSerializable

clone

Methods inherited from interface gov.sandia.cognition.learning.algorithm.BatchAndIncrementalLearner

learn

Methods inherited from interface gov.sandia.cognition.learning.algorithm.BatchLearner

learn

Methods inherited from interface gov.sandia.cognition.learning.algorithm.IncrementalLearner

update

Constructor Detail

RemoveOldestKernelPerceptron

public RemoveOldestKernelPerceptron()

Creates a new RemoveOldestKernelPerceptron with a null kernel and default budget.

RemoveOldestKernelPerceptron

public RemoveOldestKernelPerceptron(Kernel<? super InputType> kernel,
                                    int budget)

Creates a new RemoveOldestKernelPerceptron with the given parameters.

Parameters:

kernel - The kernel function to use.

budget - The budget of examples. Must be positive.

Method Detail

createInitialLearnedObject

public DefaultKernelBinaryCategorizer<InputType> createInitialLearnedObject()

Description copied from interface: IncrementalLearner

Creates a new initial learned object, before any data is given.

Specified by:

createInitialLearnedObject in interface IncrementalLearner<InputOutputPair<? extends InputType,java.lang.Boolean>,DefaultKernelBinaryCategorizer<InputType>>

Overrides:

createInitialLearnedObject in class AbstractOnlineKernelBinaryCategorizerLearner<InputType>

Returns:

The initial learned object.

update

public void update(DefaultKernelBinaryCategorizer<InputType> target,
                   InputType input,
                   boolean label)

Description copied from class: AbstractOnlineKernelBinaryCategorizerLearner

Updates the target categorizer based on the given input and its associated output.

Specified by:

update in class AbstractOnlineKernelBinaryCategorizerLearner<InputType>

Parameters:

target - The target categorizer to update.

input - The input value to learn from.

label - The output value associated with the input.