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trait StateValueFn[Obs, T] extends AnyRef

Along with ActionValueFn, this is the main trait in tabular reinforcement learning for tracking the value of a state as evidenced by the observation it returns.

We need some way for this to learn, or see new observations, that's part of the trait.

Obs

Observation returned by the State instances tracked by StateValueFn.

T

type of values tracked by StateValueFn.

Self Type
StateValueFn[Obs, T]
Source
StateValueFn.scala
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AnyRef, Any
Known Subclasses
Base, Folded, Mergeable
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Abstract Value Members

  1. abstract def seen: Iterable[Obs]

    Returns an Iterable of all observations associated with some internally tracked value T.

  2. abstract def stateValue(obs: Obs): T

    Returns the stored value associated with the given observation.

  3. abstract def update(state: Obs, value: T): StateValueFn[Obs, T]

    Absorb a new value for the supplied observation.

    Absorb a new value for the supplied observation. The behavior of this function is implementation dependent; some might ignore the value, some might merge it in to an existing set of values, some might completely replace the stored state.

Concrete Value Members

  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
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    protected[lang]
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    @throws( ... ) @native()
  6. final def eq(arg0: AnyRef): Boolean
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  7. def equals(arg0: Any): Boolean
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  8. def finalize(): Unit
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    protected[lang]
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    @throws( classOf[java.lang.Throwable] )
  9. def fold[U](prepare: (U) ⇒ T, present: (T) ⇒ U): StateValueFn[Obs, U]

    Transforms this StateValueFn into a new instance that applies the supplied prepare to all incoming values before they're learned, and presents tracked T instances using the present fn before returning them via stateValue.

  10. final def getClass(): Class[_]
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    @native()
  11. def hashCode(): Int
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    @native()
  12. final def isInstanceOf[T0]: Boolean
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  13. def mergeable(implicit T: Semigroup[T]): StateValueFn[Obs, T]

    Returns a StateValueFn instance that uses the supplied semigroup T to merge values into this current StateValueFn.

    Returns a StateValueFn instance that uses the supplied semigroup T to merge values into this current StateValueFn.

    T

    Semigroup instance used to merge values.

  14. final def ne(arg0: AnyRef): Boolean
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  15. final def notify(): Unit
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    @native()
  16. final def notifyAll(): Unit
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    @native()
  17. final def synchronized[T0](arg0: ⇒ T0): T0
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  18. def toEvaluator[A, R, S[_]]: StateValue[Obs, A, R, T, S]

    TODO fill in.

  19. def toString(): String
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  20. final def wait(): Unit
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    @throws( ... )
  21. final def wait(arg0: Long, arg1: Int): Unit
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  22. final def wait(arg0: Long): Unit
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