Examples of shared.InstanceList

    // Create Attribute Information on label
    AttrInfo labelAttrib = new NominalAttrInfo(PERFORMANCE_CLASS, perfClasses);


    // Create MLJ meta information
    schema = new Schema(attrInfos, labelAttrib);
    InstanceList instances = createInstances(trainingData, attribMap);


    // Train categoriser
    Categorizer categorizer = getCategorizer(instances);


    // Build predictor

   *          map name -> (attribute info, attribute number)
   */
  protected <T extends PerformanceTuple> InstanceList createInstances(
      List<T> trainingData, Map<String, Pair<AttrInfo, Integer>> attrMap) {


    InstanceList instances = new InstanceList(schema);


    for (PerformanceTuple perfTuple : trainingData) {


      Set<String> setAttribs = new HashSet<>();


      Instance instance = new Instance(instances.get_schema());


      MLJUtils.setAttributeValues(instance, attrMap,
          perfTuple.getConfiguration());
      setAttribs.addAll(perfTuple.getConfiguration().keySet());


      MLJUtils.setAttributeValues(instance, attrMap, perfTuple.getFeatures());
      setAttribs.addAll(perfTuple.getFeatures().keySet());


      // Care for missing values
      Set<String> missingAttribs = new HashSet<>(attrMap.keySet());
      missingAttribs.removeAll(setAttribs);
      for (String missingAttrib : missingAttribs) {
        MLJUtils.setMissingAttribute(instance, attrMap.get(missingAttrib));
      }


      labelInstance(instance, schema.label_info(), perfTuple.getPerformance());
      instances.add_instance(instance);
    }


    return instances;
  }

Examples of shared.InstanceList

Related Classes of shared.InstanceList