def __init__(self, space_name):
   """
   @param space_name name of space to break down by
   """
   # TODO: make the ConfusionMatrixMetric a parameter which influences the key naming
   # TODO: configurable macro/microaverage 
   Summary.__init__(self)
   self.space_name = space_name
   self.cmm = prf_dict
 def __init__(self, all_feats):
   Summary.__init__(self)
   self.all_feats = set(all_feats)