text: #!/usr/bin/env python
  """
  Joint probability plot example
  ===============================
  """
  import pandas as pd
  import toto
  import matplotlib.pyplot as plt
  from toto.inputs.txt import TXTfile
  import os
  # read the file
  hindcast='https://raw.githubusercontent.com/calypso-science/Toto/master/_tests/txt_file/tahuna_hindcast.txt'
  os.system('wget %s ' % hindcast)
  
  hd=TXTfile(['tahuna_hindcast.txt'],colNamesLine=1,skiprows=1,unitNamesLine=0,time_col_name={'Year':'year','Month':'month','Day':'day','Hour':'hour','Min':'Minute'})
  hd.reads()
  hd.read_time()
  hd=hd._toDataFrame()
  
  # # Processing
  hd[0].StatPlots.joint_probability_plot(Y='hs',X='tp',\
          args={    
          'X Min Res Max(optional)':[2,1,22],
          'Y Min Res Max(optional)':[0,0.5],
          'X label':'Wave Period [s]',
          'Y label':'Wave height [m]',
          'time blocking':'Annual',
          'probablity expressed in':'percent',
          'display':'On',
          })