Package com.aliasi.classify

Examples of com.aliasi.classify.LMClassifier

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      logger.debug("Started TestCatClassifier");

      //*-- read the classification model
      String modelFile = Constants.TTYPE_CLASS_MODEL;
      ObjectInputStream oi = new ObjectInputStream( new FileInputStream(modelFile) );
      LMClassifier compiledClassifier = (LMClassifier) oi.readObject();
      oi.close();
     
      //*-- loop through the identical categories and test the classification of test documents
    ConfusionMatrix confMatrix = new ConfusionMatrix(CATEGORIES);
      NumberFormat nf = NumberFormat.getInstance();
      nf.setMaximumIntegerDigits(1); nf.setMaximumFractionDigits(3);
    for (int i=0; i < CATEGORIES.length; ++i)
       {
    File classDir = new File(TESTING_DIR, CATEGORIES[i]);
    String[] testingFiles = classDir.list();
       
        //*-- for each file, find the best category using the classifier and compare with the
        //*-- designated category
    for (int j = 0; j < testingFiles.length; ++j)
         {
      String text = Files.readFromFile( new File(classDir, testingFiles[j]) );
      logger.debug("Testing on " + CATEGORIES[i] + File.separator + testingFiles[j]);
      JointClassification jc =  compiledClassifier.classifyJoint(text);
          confMatrix.increment(CATEGORIES[i], jc.bestCategory());
          logger.debug("Best Category: " + jc.bestCategory() );
          StringBuffer sb = new StringBuffer();
          sb.append("Scores ");
          for (int k = 0; k < CATEGORIES.length; k++) sb.append(nf.format(jc.score(k)) + " ");
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      logger.debug("Started TestClassifier");

      //*-- read the classification model
      String modelFile = MUSTRU_HOME + File.separator + "data" + File.separator + "training" + File.separator + "tcat" + File.separator + "tcat_classifier";
      ObjectInputStream oi = new ObjectInputStream( new FileInputStream(modelFile) );
      LMClassifier compiledClassifier = (LMClassifier) oi.readObject();
      oi.close();
     
      //*-- loop through the identical categories and test the classification of test documents
    ConfusionMatrix confMatrix = new ConfusionMatrix(CATEGORIES);
      NumberFormat nf = NumberFormat.getInstance();
      nf.setMaximumIntegerDigits(1); nf.setMaximumFractionDigits(3);
    for (int i=0; i < CATEGORIES.length; ++i)
       {
    File classDir = new File(TESTING_DIR, CATEGORIES[i]);
    String[] testingFiles = classDir.list();
       
        //*-- for each file, find the best category using the classifier and compare with the
        //*-- designated category
    for (int j=0; j < testingFiles.length; ++j)
         {
      String text = Files.readFromFile( new File(classDir, testingFiles[j]) );
      logger.debug("Testing on " + CATEGORIES[i] + File.separator + testingFiles[j]);
      JointClassification jc =  compiledClassifier.classifyJoint(text);
          confMatrix.increment(CATEGORIES[i], jc.bestCategory());
          logger.debug("Best Category: " + jc.bestCategory() );
          StringBuffer sb = new StringBuffer();
          sb.append("Scores ");
          for (int k = 0; k < CATEGORIES.length; k++) sb.append(nf.format(jc.score(k)) + " ");
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      logger.debug("Started TestFtypeClassifier");

      //*-- read the classification model
      String modelFile = Constants.FTYPE_CLASS_MODEL;
      ObjectInputStream oi = new ObjectInputStream( new FileInputStream(modelFile) );
      LMClassifier compiledClassifier = (LMClassifier) oi.readObject();
      oi.close();
     
      //*-- loop through the identical categories and test the classification of test documents
    ConfusionMatrix confMatrix = new ConfusionMatrix(CATEGORIES);
      NumberFormat nf = NumberFormat.getInstance();
      nf.setMaximumIntegerDigits(1); nf.setMaximumFractionDigits(3);
    for (int i=0; i < CATEGORIES.length; ++i)
       {
    File classDir = new File(TESTING_DIR, CATEGORIES[i]);
    String[] testingFiles = classDir.list();
       
        //*-- for each file, find the best category using the classifier and compare with the
        //*-- designated category
    for (int j=0; j < testingFiles.length; ++j)
         {
      String text = Files.readFromFile( new File(classDir, testingFiles[j]) );
     
      //*-- limit the length of the text
        if (text.length() > 500)  text = text.substring(0, 500);
      logger.debug("Testing on " + CATEGORIES[i] + File.separator + testingFiles[j]);
      JointClassification jc =  compiledClassifier.classifyJoint(text);
     
      //*-- check if we have sufficient confidence in the decision
      String bestCategory = (jc.score(0) > -2.5) ? jc.bestCategory(): "text";
      confMatrix.increment(CATEGORIES[i], bestCategory); 
          logger.debug("Best Category: " + bestCategory );
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Related Classes of com.aliasi.classify.LMClassifier

  • org.sf.mustru.test.TestFtypeClassifier
  • org.sf.mustru.test.TestMClassifier
  • org.sf.mustru.test.TestTtypeClassifier
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