code: public void updateDataSerieToHistogram(String histogramID, double[] dataSerie, int index){
          this.histograms.get(histogramID).updateSeries(index, dataSerie);
      }
docs: Updates the given Histogram (index).
  The index will be the order of the histogram.
  
  
  @param histogramID
  @param dataSerie
  @param index