Ejemplo n.º 1
0
 public void processAlgorithm() {
   List<List<Double>> testData = data.getTestData();
   int testNum = data.getTestNum();
   long begin = System.currentTimeMillis();
   for (int i = 0; i < testNum; i++) {
     List<Double> test = testData.get(i);
     result[i][0] = Arith.convertsToInt(test.get(0));
     result[i][1] = Math.round(Float.parseFloat((knn(data.getTrainData(), test, 3))));
     if (result[i][0] != result[i][1]) {
       ma.setWrong(ma.getWrong() + 1);
     }
   }
   long end = System.currentTimeMillis();
   ma.setTime(begin, end);
   ma.setAccuracyRate(ma.getWrong(), testNum);
   ma.setErrorRate(ma.getWrong(), testNum);
 }
Ejemplo n.º 2
0
 public KNN(Data data) {
   this.data = data;
   result = new int[data.getTestNum()][2];
   data.minMaxDataFormat(data.getTrainData());
   data.minMaxDataFormat(data.getTestData());
 }
Ejemplo n.º 3
0
 /** 设置优先级队列的比较函数,距离越大,优先级越高 */
 public KNN() {
   data = new Data();
   result = new int[data.getTestNum()][2];
   data.minMaxDataFormat(data.getTrainData());
   data.minMaxDataFormat(data.getTestData());
 }
Ejemplo n.º 4
0
  /**
   * Process an HTML get or post.
   *
   * @exception ServletException From inherited class.
   * @exception IOException From inherited class.
   */
  public void scanOutXML(
      PrintWriter out,
      String strDirectory,
      String strFilename,
      String[] strPlus,
      String[] strMinus,
      boolean bExcludeParams,
      boolean bAnalyzeParams)
      throws IOException {
    File dir = new File(strDirectory + '/' + strFilename);
    if (dir.isDirectory()) return;

    try {
      FileReader is = new FileReader(strDirectory + '/' + strFilename);
      BufferedReader r = new BufferedReader(is);
      String string = null;
      Hashtable ht = new Hashtable();
      Set setstrExtensions = new HashSet();
      int iCount = 0;
      int iBytes = 0;
      while ((string = r.readLine()) != null) {
        StringTokenizer st = new StringTokenizer(string, " \"", false);
        Data data = new Data();
        int iTokenCount = 0;
        while (st.hasMoreTokens()) {
          iTokenCount++;
          string = st.nextToken();
          if (iTokenCount == IP) data.m_IP = string;
          if (iTokenCount == URL) {
            if (bExcludeParams)
              if (string.indexOf('?') != -1) string = string.substring(0, string.indexOf('?'));
            if (bAnalyzeParams)
              if (string.indexOf('?') != -1) string = string.substring(string.indexOf('?') + 1);
            data.m_URL = string;
          }
          if (iTokenCount == PROTOCOL)
            if (!string.startsWith("HTTP")) {
              data.m_URL += " " + string;
              iTokenCount--;
            }
          if (iTokenCount == BYTES) data.m_iBytes = Integer.parseInt(string);
        }
        if (!this.filterURL(data.m_URL, strPlus, strMinus, setstrExtensions)) continue;
        iCount++;
        iBytes += data.m_iBytes;
        if (ht.get(data.m_URL) == null) ht.put(data.m_URL, data);
        else {
          int iThisBytes = data.m_iBytes;
          data = (Data) ht.get(data.m_URL);
          data.m_iCount++;
          data.m_iBytes += iThisBytes;
        }
      }
      Comparator comparator = new Test();
      TreeMap tm = new TreeMap(comparator);
      Iterator iterator = ht.values().iterator();
      while (iterator.hasNext()) {
        Data data = (Data) iterator.next();
        tm.put(new Integer(data.m_iCount), data);
      }
      out.println("<file>");
      this.printXML(out, "directory", strDirectory);
      this.printXML(out, "name", strFilename);
      iterator = tm.values().iterator();
      while (iterator.hasNext()) {
        out.println("<data>");
        Data data = (Data) iterator.next();
        this.printXML(out, "url", data.m_URL);
        this.printXML(out, "count", Integer.toString(data.m_iCount));
        out.println("</data>");
      }
      this.printXML(out, "hits", Integer.toString(iCount));
      this.printXML(out, "bytes", Integer.toString(iBytes));
      this.printXML(out, "unique", Integer.toString(tm.size()));

      iterator = setstrExtensions.iterator();
      out.println("<extensions>");
      while (iterator.hasNext()) {
        this.printXML(out, "extension", (String) iterator.next());
      }
      out.println("</extensions>");

      out.println("</file>");
    } catch (FileNotFoundException ex) {
      ex.printStackTrace();
    } catch (IOException ex) {
      ex.printStackTrace();
    }
  }