code: def get_covariance_table(self, chain=0, parameters=None, caption="Parameter Covariance",
                                label="tab:parameter_covariance"):
          
          parameters, cov = self.get_covariance(chain=chain, parameters=parameters)
          return self._get_2d_latex_table(parameters, cov, caption, label)
docs: Gets a LaTeX table of parameter covariance.
  
          Parameters
          ----------
          chain : int|str, optional
              The chain index or name. Defaults to first chain.
          parameters : list[str], optional
              The list of parameters to compute correlations. Defaults to all parameters
              for the given chain.
          caption : str, optional
              The LaTeX table caption.
          label : str, optional
              The LaTeX table label.
  
          Returns
          -------
              str
                  The LaTeX table ready to go!