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## de.jstacs.models.hmm.transitions.elements
Class BasicPluginTransitionElement

    java.lang.Object
      de.jstacs.models.hmm.transitions.BasicHigherOrderTransition.AbstractTransitionElement
          de.jstacs.models.hmm.transitions.elements.BasicTransitionElement
              de.jstacs.models.hmm.transitions.elements.BasicPluginTransitionElement

All Implemented Interfaces:
  Storable, Cloneable

    public class BasicPluginTransitionElement

extends BasicTransitionElement

Basic transition element without random initialization of parameters.

Author:
  Michael Seifert

Field Summary

Fields inherited from class de.jstacs.models.hmm.transitions.BasicHigherOrderTransition.AbstractTransitionElement
`context, descendants, hyperParameters, logNorm, parameters, states, statistic`

Constructor Summary
`BasicPluginTransitionElement(int[] context, int[] states, double[] probs, double[] hyperParameters)` Constructor creating a new instance with given context, descendant states, and hyper parameters.
`BasicPluginTransitionElement(int[] context, int[] states, double[] probs, double[] hyperParameters, double[] weight)` Constructor creating a new instance with given context, descendant states, and hyper parameters.
`BasicPluginTransitionElement(StringBuffer xml)` The standard constructor for the interface `Storable`.

Method Summary
`protected void` | `appendFurtherInformation(StringBuffer xml)` This method appends further information to the XML representation.
`protected void` | `extractFurtherInformation(StringBuffer xml)` This method extracts further information from the XML representation.
`protected String` | `getXMLTag()` This method returns the xml tag used in `BasicHigherOrderTransition.AbstractTransitionElement.toXML()`.
`void` | `initializeRandomly()` This method draws new parameters from the prior.

Methods inherited from class de.jstacs.models.hmm.transitions.BasicHigherOrderTransition.AbstractTransitionElement
`addToStatistic, appendGraphvizDescription, appendTransitions, clone, drawParametersFromStatistic, estimateFromStatistic, getArrowOption, getChild, getContext, getDescendant, getGraphvizEdgeWeight, getLabel, getLogGammaScoreFromStatistic, getLogPriorTerm, getLogScoreFor, getNextContext, getNumberOfChildren, getNumberOfParameters, init, precompute, resetStatistic, setIndexOfDescendantTransitionElement, toString, toString, toXML`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### BasicPluginTransitionElement

    public BasicPluginTransitionElement(int[] context,
                                        int[] states,
                                        double[] probs,
                                        double[] hyperParameters)

  Constructor creating a new instance with given context, descendant states, and hyper parameters.

  Parameters:
    `context` - previously visited state indices; last entry corresponds to the last state visited
    `states` - all possible states that can be reached from the context; if `null` then no transition allowed
    `probs` - initial probabilities
    `hyperParameters` - hyper-parameters for transitions; if `null` then no prior is used
  See Also:
    `BasicPluginTransitionElement(int[], int[], double[], double[], double[])`

### BasicPluginTransitionElement

    public BasicPluginTransitionElement(int[] context,
                                        int[] states,
                                        double[] probs,
                                        double[] hyperParameters,
                                        double[] weight)

  Constructor creating a new instance with given context, descendant states, and hyper parameters.

  Parameters:
    `context` - previously visited state indices; last entry corresponds to the last state visited
    `states` - all possible states that can be reached from the context; if `null` then no transition allowed
    `probs` - initial probabilities
    `hyperParameters` - hyper-parameters for transitions; if `null` then no prior is used
    `weight` - the weight for plotting the edge in Graphviz, enables to modify the edge length, larger weights imply shorter edges (default: 1)

### BasicPluginTransitionElement

    public BasicPluginTransitionElement(StringBuffer xml)
                                 throws NonParsableException

  The standard constructor for the interface `Storable`. Constructs a `BasicPluginTransitionElement` out of an XML representation.

  Parameters:
    `xml` - the XML representation as `StringBuffer`
  Throws:
    `NonParsableException` - if the `BasicPluginTransitionElement` could not be reconstructed out of the `StringBuffer` `xml`

Method Detail

### initializeRandomly

    public void initializeRandomly()

  Description copied from class: `BasicHigherOrderTransition.AbstractTransitionElement`
  This method draws new parameters from the prior.

  Overrides:
    `initializeRandomly` in class `BasicHigherOrderTransition.AbstractTransitionElement`

### appendFurtherInformation

    protected void appendFurtherInformation(StringBuffer xml)

  Description copied from class: `BasicHigherOrderTransition.AbstractTransitionElement`
  This method appends further information to the XML representation. It allows subclasses to save further parameters that are not defined in the superclass.

  Overrides:
    `appendFurtherInformation` in class `BasicTransitionElement`
  Parameters:
    `xml` - the XML representation

### extractFurtherInformation

    protected void extractFurtherInformation(StringBuffer xml)
                                      throws NonParsableException

  Description copied from class: `BasicHigherOrderTransition.AbstractTransitionElement`
  This method extracts further information from the XML representation. It allows subclasses to cast further parameters that are not defined in the superclass.

  Overrides:
    `extractFurtherInformation` in class `BasicTransitionElement`
  Parameters:
    `xml` - the XML representation
  Throws:
    `NonParsableException` - if the information could not be reconstructed out of the `StringBuffer` `xml`

### getXMLTag

    protected String getXMLTag()

  Description copied from class: `BasicHigherOrderTransition.AbstractTransitionElement`
  This method returns the xml tag used in `BasicHigherOrderTransition.AbstractTransitionElement.toXML()`.

  Overrides:
    `getXMLTag` in class `BasicHigherOrderTransition.AbstractTransitionElement`
  Returns:
    the xml tag used in `BasicHigherOrderTransition.AbstractTransitionElement.toXML()`

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