code: def reindex(self, copy=True):
          
          ret = deepcopy(self) if copy else self
  
          ret.stats = ret.stats.reindex(index=ret._idx, level=0)
          if ret.idx_depth == 2:
              ret.stats = ret.stats.reindex(index=ret._sub_idx, level=1)
          if ret.rows is not None:
              ret.stats = ret.stats.reindex(index=ret.rows, level=ret.idx_depth)
  
          ret.stats = ret.stats.reindex(columns=ret._headers, level=0)
          ret.stats = ret.stats.reindex(columns=ret._subheaders, level=1)
          ret.stats = ret.stats.reindex(columns=ret._describe_cols, level=2)
  
          if copy:
              return ret
docs: Reindex the summary statistics dataframe