cc.factorie.optimize

RDA

class RDA extends GradientOptimizer

Implements the Regularized Dual Averaging algorithm of Xiao with support for l1 and l2 regularization

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Instance Constructors

  1. new RDA(rate: Double = 0.1, l1: Double = 0.0, l2: Double = 0.0, numExamples: Int = 1)

    rate

    The base learning rate

    l1

    l1 regularization constant. Should be set similarly to that in AdaGradRDA

    l2

    l2 regularization constant. Should be set similarly to that in AdaGradRDA

    numExamples

    The number of examples for online training, used to scale regularizers

Value Members

  1. final def !=(arg0: AnyRef): Boolean

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  2. final def !=(arg0: Any): Boolean

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  3. final def ##(): Int

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  4. final def ==(arg0: AnyRef): Boolean

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  6. final def asInstanceOf[T0]: T0

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  7. def clone(): AnyRef

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  8. final def eq(arg0: AnyRef): Boolean

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  9. def equals(arg0: Any): Boolean

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  10. def finalize(): Unit

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  11. def finalizeWeights(weights: WeightsSet): Unit

    Once learning is done, the weights should be copied back into normal tensors.

    Once learning is done, the weights should be copied back into normal tensors.

    weights

    The weights

    Definition Classes
    RDAGradientOptimizer
  12. final def getClass(): Class[_]

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  13. def hashCode(): Int

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  14. def initializeWeights(weights: WeightsSet): Unit

    Some optimizers swap out weights with special purpose tensors for e.

    Some optimizers swap out weights with special purpose tensors for e.g. efficient scoring while learning.

    weights

    The weights

    Definition Classes
    RDAGradientOptimizer
  15. var initialized: Boolean

  16. def isConverged: Boolean

    Whether the optimizer has converged yet.

    Whether the optimizer has converged yet.

    Definition Classes
    RDAGradientOptimizer
  17. final def isInstanceOf[T0]: Boolean

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  18. val l1: Double

    l1 regularization constant.

    l1 regularization constant. Should be set similarly to that in AdaGradRDA

  19. val l2: Double

    l2 regularization constant.

    l2 regularization constant. Should be set similarly to that in AdaGradRDA

  20. final def ne(arg0: AnyRef): Boolean

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  21. final def notify(): Unit

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  22. final def notifyAll(): Unit

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  23. val rate: Double

    The base learning rate

  24. def reset(): Unit

    Reset the optimizers internal state (such as Hessian approximation, etc.

    Reset the optimizers internal state (such as Hessian approximation, etc.)

    Definition Classes
    RDAGradientOptimizer
  25. def step(weights: WeightsSet, gradient: WeightsMap, value: Double): Unit

    Updates the weights according to the gradient.

    Updates the weights according to the gradient.

    weights

    The weights

    gradient

    The gradient

    value

    The value

    Definition Classes
    RDAGradientOptimizer
  26. final def synchronized[T0](arg0: ⇒ T0): T0

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  27. def toString(): String

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  28. final def wait(): Unit

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  29. final def wait(arg0: Long, arg1: Int): Unit

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  30. final def wait(arg0: Long): Unit

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Inherited from GradientOptimizer

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