Use

```
function output_cell =posterior_function_demo(xparam1,M_,options_,oo_,estim_params_,bayestopt_,dataset_,dataset_info)
% output_cell =posterior_function_demo(xparam1,M_,options_,oo_,estim_params_,bayestopt_,dataset_,dataset_info);
% This is an example file computing statistics on the prior/posterior draws. The
% function allows read-only access to all Dynare structures. However, those
% structures are local to this function. Changing them will not affect
% other Dynare functions and you cannot use them to pass results to other
% Dynare functions.
% The function takes one and only one output argument: an 1 by n cell.
% Using functions like cell2mat, the contents of the cell can be easily
% transformed back to matrices. See the fs2000_posterior_function.mod for
% an example
% INPUTS
% xparam1 Current parameter draw
% M_ [structure] Matlab's structure describing the Model (initialized by dynare, see @ref{M_}).
% options_ [structure] Matlab's structure describing the options (initialized by dynare, see @ref{options_}).
% oo_ [structure] Matlab's structure gathering the results (initialized by dynare, see @ref{oo_}).
% estim_params_[structure] Matlab's structure describing the estimated_parameters (initialized by dynare, see @ref{estim_params_}).
% bayestopt_ [structure] Matlab's structure describing the parameter options (initialized by dynare, see @ref{bayestopt_}).
% dataset_ [structure] Matlab's structure storing the dataset
% dataset_info [structure] Matlab's structure storing the information about the dataset
% Output
% output_cell [1 by n cell] 1 by n Matlab cell allowing to store any
% desired computation or result (strings, matrices, structures, etc.)
% Copyright (C) 2015 Dynare Team
%
% This file is part of Dynare.
%
% Dynare is free software: you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation, either version 3 of the License, or
% (at your option) any later version.
%
% Dynare is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with Dynare. If not, see <http://www.gnu.org/licenses/>.
%% store the mean of the parameter draw
output_cell{1,1}=xparam1;
%% compute the steady state for the parameter draw and store it
% set the parameters draws to the model structure
M_ = set_all_parameters(xparam1,estim_params_,M_);
options_.noprint=1;
if isempty(options_.qz_criterium)
options_.qz_criterium = 1+1e-6;
end
%get model solution at parameters
[dr,info,M_,options_,oo_] = resol(0,M_,options_,oo_);
oo_.dr=dr;
var_list=char('yobs','iobs');
options_.contemporaneous_correlation=1;
oo_=disp_th_moments(oo_.dr,var_list,M_,options_,oo_);
%set second part of output cell
output_cell{1,2}=oo_.contemporaneous_correlation;
end
```