public void computeCrossCorrelation(LinkedList<SentimentEDCoWKeyword> keyWordsList1) {
   crossCorrelation = new double[keyWordsList1.size()];
   SentimentEDCoWCrossCorrelationZeroTime cc = new SentimentEDCoWCrossCorrelationZeroTime();
   for (int i = 0; i < keyWordsList1.size(); i++) {
     crossCorrelation[i] = cc.correlationZeroTime(SW2, keyWordsList1.get(i).getSW2());
   }
 }
  public final void computations() {
    int lev = (int) (Math.log(delta) / Math.log(2));

    SentimentEDCoWSignalConstruction signWavelet = new SentimentEDCoWSignalConstruction();
    signWavelet.firstSignalConstruction(nwt, nt);
    signWavelet.secondSignalConstruction(signWavelet.getSw(), delta, lev);
    SW1 = signWavelet.getSw();
    SW2 = signWavelet.getSw2();
    SentimentEDCoWCrossCorrelationZeroTime cc = new SentimentEDCoWCrossCorrelationZeroTime();
    autoCorrelation = cc.autoCorrelationZeroTime(SW2);
  }