code: @Override
    protected void remapData(int[][] mapping) throws IOException {
      super.remapData(mapping);
      T1[][] originalFullValueList = fullValueList.clone();
      fullValueList = operations.createMatrix1(mapping.length);
      for (int i = 0; i < mapping.length; i++) {
        for (int j = 0; j < mapping[i].length; j++) {
          if (j == 0) {
            setValue(i, originalFullValueList[mapping[i][j]],
                originalFullValueList[mapping[i][j]].length, false);
          } else {
            setValue(i, originalFullValueList[mapping[i][j]],
                originalFullValueList[mapping[i][j]].length, true);
          }
        }
      }
      fullValueList = newFullValueList;
    }
docs: /*
  (non-Javadoc)
  
  @see mtas.codec.util.DataCollector.MtasDataCollector#remapData(int[][])