docs: def run_analyses(prepared_analyses=None,log_dir=default_log_dir):
      """
          If all defaults are ok, this should be the only function needed to run the analyses.
      """
      if prepared_analyses == None:
          prepared_analyses = prepare_analyses()
      state_collection = funtool.state_collection.StateCollection([],{})
      for analysis in prepared_analyses:
          state_collection= funtool.analysis.run_analysis(analysis, state_collection, log_dir)
      return state_collection