code: def build_scandata_table(self):
          
          shape = self._norm_vals.shape
          col_norm = Column(name="norm", dtype=float)
          col_normv = Column(name="norm_scan", dtype=float,
                             shape=shape)
          col_dll = Column(name="dloglike_scan", dtype=float,
                           shape=shape)
          tab = Table(data=[col_norm, col_normv, col_dll])
          tab.add_row({"norm": 1.,
                       "norm_scan": self._norm_vals,
                       "dloglike_scan": -1 * self._nll_vals})
          return tab
docs: Build an `astropy.table.Table` object from these data.