weka.filters.unsupervised.attribute.Add.setNominalLabels()方法的使用及代码示例

x33g5p2x  于2022-01-17 转载在 其他  
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本文整理了Java中weka.filters.unsupervised.attribute.Add.setNominalLabels()方法的一些代码示例，展示了Add.setNominalLabels()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Add.setNominalLabels()方法的具体详情如下：
包路径：weka.filters.unsupervised.attribute.Add
类名称：Add
方法名：setNominalLabels

Add.setNominalLabels介绍

[英]Set the labels for nominal attribute creation.
[中]设置用于创建标称属性的标签。

代码示例

代码示例来源：origin: Waikato/weka-trunk

private Instances makeClusterDataSetClass(Instances format,
 weka.clusterers.Clusterer clusterer, String relationNameModifier)
 throws Exception {
 weka.filters.unsupervised.attribute.Add addF =
  new weka.filters.unsupervised.attribute.Add();
 addF.setAttributeIndex("last");
 String clustererName = clusterer.getClass().getName();
 clustererName =
  clustererName.substring(clustererName.lastIndexOf('.') + 1,
   clustererName.length());
 addF.setAttributeName("assigned_cluster: " + clustererName);
 // if (format.classAttribute().isNominal()) {
 String clusterLabels = "0";
 /*
  * Enumeration enu = format.classAttribute().enumerateValues();
  * clusterLabels += (String)enu.nextElement(); while (enu.hasMoreElements())
  * { clusterLabels += ","+(String)enu.nextElement(); }
  */
 for (int i = 1; i <= clusterer.numberOfClusters() - 1; i++) {
  clusterLabels += "," + i;
 }
 addF.setNominalLabels(clusterLabels);
 // }
 addF.setInputFormat(format);
 Instances newInstances = weka.filters.Filter.useFilter(format, addF);
 newInstances.setRelationName(format.relationName() + relationNameModifier);
 return newInstances;
}

代码示例来源：origin: nz.ac.waikato.cms.weka/weka-stable

private Instances makeClusterDataSetClass(Instances format,
 weka.clusterers.Clusterer clusterer, String relationNameModifier)
 throws Exception {
 weka.filters.unsupervised.attribute.Add addF =
  new weka.filters.unsupervised.attribute.Add();
 addF.setAttributeIndex("last");
 String clustererName = clusterer.getClass().getName();
 clustererName =
  clustererName.substring(clustererName.lastIndexOf('.') + 1,
   clustererName.length());
 addF.setAttributeName("assigned_cluster: " + clustererName);
 // if (format.classAttribute().isNominal()) {
 String clusterLabels = "0";
 /*
  * Enumeration enu = format.classAttribute().enumerateValues();
  * clusterLabels += (String)enu.nextElement(); while (enu.hasMoreElements())
  * { clusterLabels += ","+(String)enu.nextElement(); }
  */
 for (int i = 1; i <= clusterer.numberOfClusters() - 1; i++) {
  clusterLabels += "," + i;
 }
 addF.setNominalLabels(clusterLabels);
 // }
 addF.setInputFormat(format);
 Instances newInstances = weka.filters.Filter.useFilter(format, addF);
 newInstances.setRelationName(format.relationName() + relationNameModifier);
 return newInstances;
}

代码示例来源：origin: Waikato/weka-trunk

classLabels += "," + (String) enu.nextElement();
addF.setNominalLabels(classLabels);

代码示例来源：origin: nz.ac.waikato.cms.weka/weka-stable

classLabels += "," + (String) enu.nextElement();
addF.setNominalLabels(classLabels);

代码示例来源：origin: dkpro/dkpro-tc

public Instances getPredictionInstancesSingleLabel(Instances testData, Classifier cl)
  throws Exception
{
  StringBuffer classVals = new StringBuffer();
  for (int i = 0; i < testData.classAttribute().numValues(); i++) {
    if (classVals.length() > 0) {
      classVals.append(",");
    }
    classVals.append(testData.classAttribute().value(i));
  }
  // get predictions
  List<Double> labelPredictionList = new ArrayList<Double>();
  for (int i = 0; i < testData.size(); i++) {
    labelPredictionList.add(cl.classifyInstance(testData.instance(i)));
  }
  // add an attribute with the predicted values at the end off the attributes
  Add filter = new Add();
  filter.setAttributeName(WekaTestTask.PREDICTION_CLASS_LABEL_NAME);
  if (classVals.length() > 0) {
    filter.setAttributeType(new SelectedTag(Attribute.NOMINAL, Add.TAGS_TYPE));
    filter.setNominalLabels(classVals.toString());
  }
  filter.setInputFormat(testData);
  testData = Filter.useFilter(testData, filter);
  // fill predicted values for each instance
  for (int i = 0; i < labelPredictionList.size(); i++) {
    testData.instance(i).setValue(testData.classIndex() + 1, labelPredictionList.get(i));
  }
  return testData;
}

代码示例来源：origin: org.dkpro.tc/dkpro-tc-ml-weka

public Instances getPredictionInstancesSingleLabel(Instances testData, Classifier cl)
  throws Exception
{
  StringBuffer classVals = new StringBuffer();
  for (int i = 0; i < testData.classAttribute().numValues(); i++) {
    if (classVals.length() > 0) {
      classVals.append(",");
    }
    classVals.append(testData.classAttribute().value(i));
  }
  // get predictions
  List<Double> labelPredictionList = new ArrayList<Double>();
  for (int i = 0; i < testData.size(); i++) {
    labelPredictionList.add(cl.classifyInstance(testData.instance(i)));
  }
  // add an attribute with the predicted values at the end off the attributes
  Add filter = new Add();
  filter.setAttributeName(WekaTestTask.PREDICTION_CLASS_LABEL_NAME);
  if (classVals.length() > 0) {
    filter.setAttributeType(new SelectedTag(Attribute.NOMINAL, Add.TAGS_TYPE));
    filter.setNominalLabels(classVals.toString());
  }
  filter.setInputFormat(testData);
  testData = Filter.useFilter(testData, filter);
  // fill predicted values for each instance
  for (int i = 0; i < labelPredictionList.size(); i++) {
    testData.instance(i).setValue(testData.classIndex() + 1, labelPredictionList.get(i));
  }
  return testData;
}

代码示例来源：origin: de.tudarmstadt.ukp.dkpro.tc/de.tudarmstadt.ukp.dkpro.tc.weka-gpl

if (classVals.length() > 0) {
  filter.setAttributeType(new SelectedTag(Attribute.NOMINAL, Add.TAGS_TYPE));
  filter.setNominalLabels(classVals.toString());

代码示例来源：origin: dkpro/dkpro-tc

private Instances getPredictionInstancesMultiLabel(Instances testData, Classifier cl,
    double[] thresholdArray)
  throws Exception
{
  int numLabels = testData.classIndex();
  // get predictions
  List<double[]> labelPredictionList = new ArrayList<double[]>();
  for (int i = 0; i < testData.numInstances(); i++) {
    labelPredictionList.add(cl.distributionForInstance(testData.instance(i)));
  }
  // add attributes to store predictions in test data
  Add filter = new Add();
  for (int i = 0; i < numLabels; i++) {
    filter.setAttributeIndex(Integer.toString(numLabels + i + 1));
    filter.setNominalLabels("0,1");
    filter.setAttributeName(
        testData.attribute(i).name() + "_" + WekaTestTask.PREDICTION_CLASS_LABEL_NAME);
    filter.setInputFormat(testData);
    testData = Filter.useFilter(testData, filter);
  }
  // fill predicted values for each instance
  for (int i = 0; i < labelPredictionList.size(); i++) {
    for (int j = 0; j < labelPredictionList.get(i).length; j++) {
      testData.instance(i).setValue(j + numLabels,
          labelPredictionList.get(i)[j] >= thresholdArray[j] ? 1. : 0.);
    }
  }
  return testData;
}

代码示例来源：origin: org.dkpro.tc/dkpro-tc-ml-weka

private Instances getPredictionInstancesMultiLabel(Instances testData, Classifier cl,
    double[] thresholdArray)
  throws Exception
{
  int numLabels = testData.classIndex();
  // get predictions
  List<double[]> labelPredictionList = new ArrayList<double[]>();
  for (int i = 0; i < testData.numInstances(); i++) {
    labelPredictionList.add(cl.distributionForInstance(testData.instance(i)));
  }
  // add attributes to store predictions in test data
  Add filter = new Add();
  for (int i = 0; i < numLabels; i++) {
    filter.setAttributeIndex(Integer.toString(numLabels + i + 1));
    filter.setNominalLabels("0,1");
    filter.setAttributeName(
        testData.attribute(i).name() + "_" + WekaTestTask.PREDICTION_CLASS_LABEL_NAME);
    filter.setInputFormat(testData);
    testData = Filter.useFilter(testData, filter);
  }
  // fill predicted values for each instance
  for (int i = 0; i < labelPredictionList.size(); i++) {
    for (int j = 0; j < labelPredictionList.get(i).length; j++) {
      testData.instance(i).setValue(j + numLabels,
          labelPredictionList.get(i)[j] >= thresholdArray[j] ? 1. : 0.);
    }
  }
  return testData;
}

代码示例来源：origin: de.tudarmstadt.ukp.dkpro.tc/de.tudarmstadt.ukp.dkpro.tc.weka-gpl

for (int i = 0; i < numLabels; i++) {
  filter.setAttributeIndex(new Integer(numLabels + i + 1).toString());
  filter.setNominalLabels("0,1");
  filter.setAttributeName(testData.attribute(i).name() + "_"
      + TestTask.PREDICTION_CLASS_LABEL_NAME);

代码示例来源：origin: nz.ac.waikato.cms.weka/weka-stable

public void testAddNominal() {
 m_Filter = getFilter();
 ((Add)m_Filter).setNominalLabels("hello,there,bob");
 testBuffered();
 testType(Attribute.NOMINAL);
}

代码示例来源：origin: nz.ac.waikato.cms.weka/weka-stable

af.setNominalLabels(labels);
af.setInputFormat(tempInst);
tempInst = Filter.useFilter(tempInst, af);

代码示例来源：origin: Waikato/weka-trunk

public void testAddNominal() {
 m_Filter = getFilter();
 ((Add)m_Filter).setNominalLabels("hello,there,bob");
 testBuffered();
 testType(Attribute.NOMINAL);
}

代码示例来源：origin: nz.ac.waikato.cms.weka/weka-stable

clusterLabels += "," + i;
addF.setNominalLabels(clusterLabels);
addF.setInputFormat(newData);
newData = weka.filters.Filter.useFilter(newData, addF);

代码示例来源：origin: net.sf.meka.thirdparty/mulan

/**
 * Constructor
 *
 * @param data a multi-label dataset
 */
public BinaryRelevanceTransformation(MultiLabelInstances data) {
  try {
    this.data = data;
    remove = new Remove();
    int[] labelIndices = data.getLabelIndices();
    int[] indices = new int[labelIndices.length];
    System.arraycopy(labelIndices, 0, indices, 0, labelIndices.length);
    remove.setAttributeIndicesArray(indices);
    remove.setInvertSelection(false);
    remove.setInputFormat(data.getDataSet());
    shell = Filter.useFilter(data.getDataSet(), remove);
    add = new Add();
    add.setAttributeIndex("last");
    add.setNominalLabels("0,1");
    add.setAttributeName("BinaryRelevanceLabel");
    add.setInputFormat(shell);
    shell = Filter.useFilter(shell, add);
    shell.setClassIndex(shell.numAttributes() - 1);
  } catch (Exception ex) {
    Logger.getLogger(BinaryRelevanceTransformation.class.getName()).log(Level.SEVERE, null, ex);
  }
}

代码示例来源：origin: Waikato/weka-trunk

clusterLabels += "," + i;
addF.setNominalLabels(clusterLabels);
addF.setInputFormat(newData);
newData = weka.filters.Filter.useFilter(newData, addF);

代码示例来源：origin: Waikato/weka-trunk

classLabels += "," + classAttribute.value(i);
addF.setNominalLabels(classLabels);

代码示例来源：origin: dkpro/dkpro-tc

addFilter.setNominalLabels(StringUtils.join(trainLabels, ','));
addFilter.setAttributeName(Constants.CLASS_ATTRIBUTE_NAME + COMPATIBLE_OUTCOME_CLASS);
addFilter.setInputFormat(testData);

代码示例来源：origin: org.dkpro.tc/dkpro-tc-ml-weka

addFilter.setNominalLabels(StringUtils.join(trainLabels, ','));
addFilter.setAttributeName(Constants.CLASS_ATTRIBUTE_NAME + COMPATIBLE_OUTCOME_CLASS);
addFilter.setInputFormat(testData);

代码示例来源：origin: nz.ac.waikato.cms.moa/moa

af.setNominalLabels(labels);

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