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41 results

check_posterior_analysis_data.m

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  • check_posterior_analysis_data.m 3.38 KiB
    function [info,description] = check_posterior_analysis_data(type,M_)
    
    % Copyright (C) 2008-2013 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/>.
    
    info = 0;
    if nargout>1
        description = '';
    end
    
    [MetropolisFolder, info] = CheckPath('metropolis',M_.dname);
    
    % Get informations about mcmc files.
    if info
        disp('check_posterior_analysis_data:: Can''t find any mcmc file!')
        return
    end
    
    mhname = get_name_of_the_last_mh_file(M_);
    mhdate = get_date_of_a_file([MetropolisFolder filesep mhname]);
    
    % Get informations about _posterior_draws files.
    drawsinfo = dir([ MetropolisFolder filesep M_.fname '_posterior_draws*.mat']);
    if isempty(drawsinfo)
        info = 1; % select_posterior_draws has to be called first.
        if nargout>1
            description = 'select_posterior_draws has to be called.';
        end
        return
    else
        number_of_last_posterior_draws_file = length(drawsinfo);
        pddate = get_date_of_a_file([ MetropolisFolder filesep M_.fname '_posterior_draws' int2str(number_of_last_posterior_draws_file) '.mat']);
        if pddate<mhdate
            info = 2; % _posterior_draws files have to be updated.
            if nargout>1
                description = 'posterior draws files have to be updated.';
            end
            return
        else
            info = 3; % Ok!
            if nargout>1
                description = 'posterior draws files are up to date.';
            end
        end
    end
    
    % Get informations about posterior data files.
    switch type
      case 'variance'
        generic_post_data_file_name = 'Posterior2ndOrderMoments';
      case 'decomposition'
        generic_post_data_file_name = 'PosteriorVarianceDecomposition';
      case 'correlation'
        generic_post_data_file_name = 'PosteriorCorrelations';
      case 'conditional decomposition'
        generic_post_data_file_name = 'PosteriorConditionalVarianceDecomposition';
      otherwise
        disp('This feature is not yest implemented!')
    end
    pdfinfo = dir([ MetropolisFolder filesep M_.fname '_' generic_post_data_file_name '*']);
    if isempty(pdfinfo)
        info = 4; % posterior draws have to be processed.
        if nargout>1
            description = 'posterior draws files have to be processed.';
        end
        return
    else
        number_of_the_last_post_data_file = length(pdfinfo);
        name_of_the_last_post_data_file = ...
            [ pwd filesep MetropolisFolder filesep ...
              M_.fname '_' ... 
              generic_post_data_file_name ...
              int2str(number_of_the_last_post_data_file) ...
              '.mat' ];
        pdfdate = get_date_of_a_file(name_of_the_last_post_data_file);
        if pdfdate<pddate
            info = 5; % posterior data files have to be updated.
            if nargout>1
                description = 'posterior data files have to be updated.';
            end            
        else
            info = 6; % Ok (nothing to do ;-)
            if nargout>1
                description = 'There is nothing to do';
            end
        end
    end