code: public void setHistogramRange(String histogramID, int lower, int upper) {
          if (this.histograms.containsKey(histogramID))
              this.histograms.get(histogramID).setYAxisRange(lower, upper);
      }
docs: Set the histogram range to be displayed
  
  @param histogramID The histogram ID
  @param lower The lower value for the histogram
  @param upper The upper value for the histogram