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# Factory 

#### object Factory

Methods for creating probabilistic factors associated with elements.

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### 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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6. def combineFactors(oldFactors: List[Factor[Double]], semiring: Semiring[Double], removeTemporaries: Boolean): List[Factor[Double]]

Combines a set of factors into a single larger factor.

Combines a set of factors into a single larger factor. This method is used when a factor has been decomposed into many dependent Factors and a single Factor is required.

7. def concreteFactors[T](elem: Element[T]): List[Factor[Double]]

Invokes Factor constructors for a standard set of Elements.

Invokes Factor constructors for a standard set of Elements. This method uses various secondary factories.

8. def defaultFactor[T](parents: List[Variable[_]], children: List[Variable[_]], _semiring: Semiring[T] = ...)(implicit arg0: scala.reflect.api.JavaUniverse.TypeTag[T]): DenseFactor[T]

Create a DenseFactor from the supplied parent and children variables

9. final def eq(arg0: AnyRef): Boolean
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10. def equals(arg0: Any): Boolean
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11. def finalize(): Unit
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12. final def getClass(): Class[_]
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13. def hashCode(): Int
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14. final def isInstanceOf[T0]: Boolean
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15. def make(elem: Element[_]): List[Factor[Double]]

Create the probabilistic factors associated with an element.

Create the probabilistic factors associated with an element. This method is memoized.

16. def makeConditionalSelector[T, U](overallElem: Element[U], selector: Variable[T], outcomeIndex: Int, outcomeVar: Variable[U])(implicit mapper: PointMapper[U]): Factor[Double]

Make a conditional selector factor used in the decomposition of chain and other elements.

Make a conditional selector factor used in the decomposition of chain and other elements. A chain defines a factor over the parent element, each of the possible result elements of the chain, and the overall chain element. This can produce a very large factor when there are many result elements. This is solved by decomposing the chain factor into a product of factors, each of which contains the parent element, one of the result elements, and the overall chain element.

17. def makeDependentFactor(parentUniverse: Universe, dependentUniverse: Universe, probEvidenceComputer: () ⇒ Double): Factor[Double]

Create the probabilistic factor encoding the probability of evidence in the dependent universe as a function of the values of variables in the parent universe.

Create the probabilistic factor encoding the probability of evidence in the dependent universe as a function of the values of variables in the parent universe. The third argument is the the function to use for computing probability of evidence in the dependent universe. It is assumed that the definition of this function will already contain the right evidence.

18. def makeNonConstraintFactors(elem: Element[_]): List[Factor[Double]]

Construct a Factor without constraints.

19. val maxElementCount: Int
20. val maxSize: Int
21. final def ne(arg0: AnyRef): Boolean
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22. val newFactors: ListBuffer[Factor[Double]]
23. val nextFactors: ListBuffer[Factor[Double]]
24. final def notify(): Unit
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25. final def notifyAll(): Unit
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26. def removeFactors(): Unit

Clear the factor cache.

27. def removeFactors(elem: Element[_]): Unit

Remove an element from the factor cache, ensuring that factors for the element are regenerated.

Remove an element from the factor cache, ensuring that factors for the element are regenerated. This is important, for example, if evidence on the variable has changed.

28. def simpleMake[T](variables: List[Variable[_]])(implicit arg0: scala.reflect.api.JavaUniverse.TypeTag[T]): DenseFactor[T]

Creates a DenseFactor from the supplied variables

29. final def synchronized[T0](arg0: ⇒ T0): T0
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30. val tempFactors: ListBuffer[Factor[Double]]
31. def toString(): String
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32. def unit[T](semiring: Semiring[T])(implicit arg0: scala.reflect.api.JavaUniverse.TypeTag[T]): Factor[T]

The mutliplicative identity factor.

33. def updateFactor[T](elem: Element[_], f: List[Factor[Double]]): Unit

Update the factor cache.

34. val variableSet: Set[Variable[_]]
35. final def wait(): Unit
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36. final def wait(arg0: Long, arg1: Int): Unit
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37. final def wait(arg0: Long): Unit
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