Examples of org.encog.ml.bayesian.parse.ParsedProbability

org.encog.ml.bayesian.parse.ParsedProbability
A probability that has been parsed.

   * @param line The event.
   * @param probability The probability.
   */
  public void defineProbability(String line, double probability) {
    ParseProbability parse = new ParseProbability(this);
    ParsedProbability parsedProbability = parse.parse(line);
    parsedProbability.defineTruthTable(this, probability);
  }

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   * Define a relationship.
   * @param line The relationship to define.
   */
  public void defineRelationship(String line) {
    ParseProbability parse = new ParseProbability(this);
    ParsedProbability parsedProbability = parse.parse(line);
    parsedProbability.defineRelationships(this);
  }

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    if( this.query==null ) {
      throw new BayesianError("This Bayesian network does not have a query to define.");
    }
    
    ParseProbability parse = new ParseProbability(this);
    ParsedProbability parsedProbability = parse.parse(line);
    
    // create a temp query
    BayesianQuery q = this.query.clone();
    
    // first, mark all events as hidden
    q.reset();
    
    // deal with evidence (input)
    for( ParsedEvent parsedEvent : parsedProbability.getGivenEvents() ) {
      BayesianEvent event = this.requireEvent(parsedEvent.getLabel());
      q.defineEventType(event, EventType.Evidence);
      q.setEventValue(event, parsedEvent.resolveValue(event));
    }
    
    // deal with outcome (output)
    for( ParsedEvent parsedEvent : parsedProbability.getBaseEvents() ) {
      BayesianEvent event = requireEvent(parsedEvent.getLabel());
      q.defineEventType(event, EventType.Outcome);
      q.setEventValue(event, parsedEvent.resolveValue(event));
    }

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    for(BayesianEvent event: this.events) {
      this.query.defineEventType(event, EventType.Hidden);
    }
    
    // define the base event
    ParsedProbability prob = list.get(0);
        
    if( prob.getBaseEvents().size()==0 ) {
      return;
    } 
    
    BayesianEvent be = this.getEvent( prob.getChildEvent().getLabel() );
    this.classificationTarget = this.events.indexOf(be);
    this.query.defineEventType(be, EventType.Outcome);
    
    // define the given events
    for(ParsedEvent parsedGiven: prob.getGivenEvents()) {
      BayesianEvent given = this.getEvent( parsedGiven.getLabel() );
      this.query.defineEventType(given, EventType.Evidence);
    }
    
    this.query.locateEventTypes();
    
    // set the values
    for(ParsedEvent parsedGiven: prob.getGivenEvents()) {
      BayesianEvent event = this.getEvent( parsedGiven.getLabel() );
      this.query.setEventValue(event, parseInt(parsedGiven.getValue()) );
    }
    
    this.query.setEventValue(be, parseInt(prob.getBaseEvents().get(0).getValue()) );    
  }

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Related Classes of org.encog.ml.bayesian.parse.ParsedProbability

org.encog.ml.bayesian.BayesianError

org.encog.ml.bayesian.BayesianEvent

org.encog.ml.bayesian.BayesianNetwork

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