docs: def plotMDS(data, theOrders, theLabels, theColors, theSizes, theMarkers,
              options):
      """Plot the MDS data.
  
      :param data: the data to plot (MDS values).
      :param theOrders: the order of the populations to plot.
      :param theLabels: the names of populations to plot.
      :param theColors: the colors of the populations to plot.
      :param theSizes: the sizes of the markers for each population to plot.
      :param theMarkers: the type of markers for each population to plot.
      :param options: the options.
  
      :type data: list of numpy.array
      :type theOrders: list
      :type theLabels: list
      :type theColors: list
      :type theSizes: list
      :type theMarkers: list
      :type options: argparse.Namespace
  
      """
      # Do the import
      import matplotlib as mpl
      if options.format != "X11" and mpl.get_backend() != "agg":
          mpl.use("Agg")
      import matplotlib.pyplot as plt
      if options.format != "X11":
          plt.ioff()
  
      fig = plt.figure()
      ax = fig.add_subplot(111)
  
      # The plot
      plotObject = []
      labels = []
      for i, index in enumerate(theOrders):
          tmp, = ax.plot(data[0][index], data[1][index], theMarkers[i],
                         color=theColors[i], mec=theColors[i],
                         markersize=theSizes[i])
          plotObject.append(tmp)
          labels.append(theLabels[index])
  
      # The legend
      prop = mpl.font_manager.FontProperties(size=10)
      leg = ax.legend(plotObject, labels, loc="upper left", numpoints=1,
                      fancybox=True, prop=prop)
  
      # The title and XY labels
      ax.set_title(options.title)
      ax.set_xlabel(options.xlabel)
      ax.set_ylabel(options.ylabel)
  
      if options.format == "X11":
          # Show the plot
          plt.show()
      else:
          fileName = options.out + "." + options.format
          try:
              plt.savefig(fileName)
          except IOError:
              msg = "%(fileName)s: can't write file" % locals()
              raise ProgramError(msg)