public void buildClusterer(ArrayList<String> seqDB, double[][] sm) {
    seqList = seqDB;

    this.setSimMatrix(sm);

    Attribute seqString = new Attribute("sequence", (FastVector) null);
    FastVector attrInfo = new FastVector();
    attrInfo.addElement(seqString);
    Instances data = new Instances("data", attrInfo, 0);

    for (int i = 0; i < seqList.size(); i++) {
      Instance currentInst = new Instance(1);
      currentInst.setDataset(data);
      currentInst.setValue(0, seqList.get(i));
      data.add(currentInst);
    }

    try {
      buildClusterer(data);
    } catch (Exception e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }