com.cra.figaro.algorithm.sampling

Importance

abstract class Importance extends WeightedSampler

Importance samplers.

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  1. Importance
  2. WeightedSampler
  3. Sampler
  4. ProbQueryAlgorithm
  5. Algorithm
  6. AnyRef
  7. Any
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  1. Public
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Instance Constructors

  1. new Importance(universe: Universe, targets: Element[_]*)

Type Members

  1. type Sample = (Double, Map[Element[_], Any])

    A sample consists of a weight and a map from elements to their values.

    A sample consists of a weight and a map from elements to their values.

    Definition Classes
    WeightedSampler
  2. type WeightSeen[T] = (Element[T], Map[T, Double])

    Attributes
    protected
    Definition Classes
    WeightedSampler

Abstract Value Members

  1. abstract def doDistribution[T](target: Element[T]): Stream[(Double, T)]

    Attributes
    protected
    Definition Classes
    ProbQueryAlgorithm
  2. abstract def doExpectation[T](target: Element[T], function: (T) ⇒ Double): Double

    Attributes
    protected
    Definition Classes
    ProbQueryAlgorithm
  3. abstract def doKill(): Unit

    Attributes
    protected
    Definition Classes
    Algorithm
  4. abstract def doProbability[T](target: Element[T], predicate: (T) ⇒ Boolean): Double

    Attributes
    protected
    Definition Classes
    ProbQueryAlgorithm
  5. abstract def doResume(): Unit

    Attributes
    protected
    Definition Classes
    Algorithm
  6. abstract def doStart(): Unit

    Attributes
    protected
    Definition Classes
    Algorithm
  7. abstract def doStop(): Unit

    Attributes
    protected
    Definition Classes
    Algorithm

Concrete Value Members

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

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

    Definition Classes
    Any
  3. final def ##(): Int

    Definition Classes
    AnyRef → Any
  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  5. final def ==(arg0: Any): Boolean

    Definition Classes
    Any
  6. var active: Boolean

    Attributes
    protected
    Definition Classes
    Algorithm
  7. var allWeightsSeen: List[WeightSeen[_]]

    Attributes
    protected
    Definition Classes
    WeightedSampler
  8. final def asInstanceOf[T0]: T0

    Definition Classes
    Any
  9. def cleanUp(): Unit

    Called when the algorithm is killed.

    Called when the algorithm is killed. By default, does nothing. Can be overridden.

    Definition Classes
    Algorithm
  10. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  11. def computeDistribution[T](target: Element[T]): Stream[(Double, T)]

    Return an estimate of the expectation of the function under the marginal probability distribution of the target.

    Return an estimate of the expectation of the function under the marginal probability distribution of the target.

    Definition Classes
    WeightedSamplerProbQueryAlgorithm
  12. def computeExpectation[T](target: Element[T], function: (T) ⇒ Double): Double

    Return an estimate of the expectation of the function under the marginal probability distribution of the target.

    Return an estimate of the expectation of the function under the marginal probability distribution of the target.

    Definition Classes
    WeightedSamplerProbQueryAlgorithm
  13. def computeProbability[T](target: Element[T], predicate: (T) ⇒ Boolean): Double

    Return an estimate of the probability of the predicate under the marginal probability distribution of the target.

    Return an estimate of the probability of the predicate under the marginal probability distribution of the target.

    Definition Classes
    ProbQueryAlgorithm
  14. def distribution[T](target: Element[T]): Stream[(Double, T)]

    Return an estimate of the marginal probability distribution over the target that lists each element with its probability.

    Return an estimate of the marginal probability distribution over the target that lists each element with its probability. The result is a lazy stream. It is up to the algorithm how the stream is ordered. Throws NotATargetException if called on a target that is not in the list of targets of the algorithm. Throws AlgorithmInactiveException if the algorithm is inactive.

    Definition Classes
    ProbQueryAlgorithm
  15. def doSample(): Unit

    Attributes
    protected
    Definition Classes
    WeightedSamplerSampler
  16. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  17. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any
  18. def expectation[T](target: Element[T], function: (T) ⇒ Double): Double

    Return an estimate of the expectation of the function under the marginal probability distribution of the target.

    Return an estimate of the expectation of the function under the marginal probability distribution of the target. Throws NotATargetException if called on a target that is not in the list of targets of the algorithm. Throws AlgorithmInactiveException if the algorithm is inactive.

    Definition Classes
    ProbQueryAlgorithm
  19. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  20. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any
  21. def getTotalWeight: Double

    Total weight of samples taken.

    Total weight of samples taken.

    Definition Classes
    WeightedSampler
  22. def hashCode(): Int

    Definition Classes
    AnyRef → Any
  23. def initialize(): Unit

    Called when the algorithm is started before running any steps.

    Called when the algorithm is started before running any steps. By default, does nothing. Can be overridden.

    Definition Classes
    Algorithm
  24. def isActive: Boolean

    Definition Classes
    Algorithm
  25. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any
  26. def kill(): Unit

    Kill the algorithm so that it is inactive.

    Kill the algorithm so that it is inactive. It will no longer be able to provide answers.Throws AlgorithmInactiveException if the algorithm is not active.

    Definition Classes
    Algorithm
  27. def mean(target: Element[Double]): Double

    Return the mean of the probability density function for the given continuous element

    Return the mean of the probability density function for the given continuous element

    Definition Classes
    ProbQueryAlgorithm
  28. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef
  29. def newWeightSeen[T](target: Element[T]): (Element[T], Map[T, Double])

    Attributes
    protected
    Definition Classes
    WeightedSampler
  30. final def notify(): Unit

    Definition Classes
    AnyRef
  31. final def notifyAll(): Unit

    Definition Classes
    AnyRef
  32. def posteriorElement[T](target: Element[T], universe: Universe = Universe.universe): Element[T]

    Return an element representing the posterior probability distribution of the given element

    Return an element representing the posterior probability distribution of the given element

    Definition Classes
    ProbQueryAlgorithm
  33. def probability[T](target: Element[T], value: T): Double

    Return an estimate of the probability that the target produces the value.

    Return an estimate of the probability that the target produces the value. Throws NotATargetException if called on a target that is not in the list of targets of the algorithm. Throws AlgorithmInactiveException if the algorithm is inactive.

    Definition Classes
    ProbQueryAlgorithm
  34. def probability[T](target: Element[T], predicate: (T) ⇒ Boolean): Double

    Return an estimate of the probability of the predicate under the marginal probability distribution of the target.

    Return an estimate of the probability of the predicate under the marginal probability distribution of the target. Throws NotATargetException if called on a target that is not in the list of targets of the algorithm. Throws AlgorithmInactiveException if the algorithm is inactive.

    Definition Classes
    ProbQueryAlgorithm
  35. lazy val queryTargets: List[Element[_]]

    Definition Classes
    WeightedSamplerProbQueryAlgorithm
  36. def resetCounts(): Unit

    Attributes
    protected
    Definition Classes
    WeightedSamplerSampler
  37. def resume(): Unit

    Resume the computation of the algorithm, if it has been stopped.

    Resume the computation of the algorithm, if it has been stopped. Throws AlgorithmInactiveException if the algorithm is not active.

    Definition Classes
    Algorithm
  38. final def sample(): (Double, Map[Element[_], Any])

    Produce a single sample.

    Produce a single sample.

    Definition Classes
    ImportanceWeightedSampler
    Annotations
    @tailrec()
  39. def start(): Unit

    Start the algorithm and make it active.

    Start the algorithm and make it active. After it returns, the algorithm must be ready to provide answers. Throws AlgorithmActiveException if the algorithm is already active.

    Definition Classes
    Algorithm
  40. def stop(): Unit

    Stop the algorithm from computing.

    Stop the algorithm from computing. The algorithm is still ready to provide answers after it returns. Throws AlgorithmInactiveException if the algorithm is not active.

    Definition Classes
    Algorithm
  41. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef
  42. def toString(): String

    Definition Classes
    AnyRef → Any
  43. var totalWeight: Double

    Attributes
    protected
    Definition Classes
    WeightedSampler
  44. def update(): Unit

    Attributes
    protected
    Definition Classes
    WeightedSamplerSampler
  45. def updateWeightSeenForTarget[T](sample: (Double, Map[Element[_], Any]), weightSeen: (Element[T], Map[T, Double])): Unit

    Attributes
    protected
    Definition Classes
    WeightedSampler
  46. def updateWeightSeenWithValue[T](value: T, weight: Double, weightSeen: (Element[T], Map[T, Double])): Unit

    Attributes
    protected
    Definition Classes
    WeightedSampler
  47. def variance(target: Element[Double]): Double

    Return the variance of the probability density function for the given continuous element

    Return the variance of the probability density function for the given continuous element

    Definition Classes
    ProbQueryAlgorithm
  48. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  49. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  50. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from WeightedSampler

Inherited from Sampler

Inherited from ProbQueryAlgorithm

Inherited from Algorithm

Inherited from AnyRef

Inherited from Any

Ungrouped