parameters: (self,filename)
docstring: Save to file
docstring_summary: Save to file
docstring_tokens: Save to file
function: def save(self,filename):
          """ Save to file """
          io.write_classifier_pickle(self._save_object(), filename)
function_tokens: def save ( self , filename ) : io . write_classifier_pickle ( self . _save_object ( ) , filename )