def CDPP(flux, mask=[], cadence='lc'):
    """
  Compute the CDPP metric for a given timeseries.
  
  :param array_like flux: The flux array to compute the CDPP for
  :param array_like mask: The indices to be masked
  :param str cadence: The light curve cadence. Default `lc`
  
  """
    raise NotImplementedError('This mission is not yet supported.')
