Added posterior multivariate auto-correlation analysis
+ Changed load instruction in selec_posterior_draws for octave compatibility. git-svn-id: https://www.dynare.org/svn/dynare/dynare_v4@1911 ac1d8469-bf42-47a9-8791-bf33cf982152time-shift
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@ -44,6 +44,8 @@ function [info,description] = check_posterior_analysis_data(type,M_)
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generic_post_data_file_name = 'Posterior2ndOrderMoments';
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case 'decomposition'
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generic_post_data_file_name = 'PosteriorVarianceDecomposition';
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case 'correlation'
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generic_post_data_file_name = 'PosteriorCorrelations';
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case 'dynamic_decomposition'
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generic_post_data_file_name = 'PosteriorDynamicVarianceDecomposition';
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otherwise
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@ -0,0 +1,102 @@
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function oo_ = correlation_posterior_analysis(SampleSize,dname,fname,vartan,nvar,var1,var2,nar,mh_conf_sig,oo_,M_,options_)
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indx1 = check_name(vartan,var1);
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if isempty(indx1)
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disp(['posterior_analysis:: ' var1 ' is not a stationary endogenous variable!'])
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return
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end
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if ~isempty(var2)
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indx2 = check_name(vartan,var2);
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if isempty(indx2)
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disp(['posterior_analysis:: ' var2 ' is not a stationary endogenous variable!'])
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return
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end
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else
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indx2 = indx1;
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var2 = var1;
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end
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if isfield(oo_,'PosteriorTheoreticalMoments')
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if isfield(oo_.PosteriorTheoreticalMoments,'dsge')
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if isfield(oo_.PosteriorTheoreticalMoments.dsge,'correlation')
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if isfield(oo_.PosteriorTheoreticalMoments.dsge.correlation.mean,var1)
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eval(['s1 = oo_.PosteriorTheoreticalMoments.dsge.correlation.mean' '.' var1 ';'])
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if isfield(s1,var2)
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eval(['s2 = s1' '.' var2 ';'])
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l1 = length(s2);
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if l1<nar
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% INITIALIZATION:
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oo_ = initialize_output_structure(var1,var2,nar,oo_);
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system(['rm ' M_.dname '/metropolis/' M_.fname '_PosteriorCorrelations*']);
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[nvar,vartan,NumberOfFiles] = ...
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dsge_posterior_theoretical_correlation(SampleSize,nar,M_,options_,oo_);
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else
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if ~isnan(s2(nar))
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%Nothing to do.
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return
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end
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end
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else
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oo_ = initialize_output_structure(var1,var2,nar,oo_);
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end
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else
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oo_ = initialize_output_structure(var1,var2,nar,oo_);
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end
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else
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oo_ = initialize_output_structure(var1,var2,nar,oo_);
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end
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else
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oo_ = initialize_output_structure(var1,var2,nar,oo_);
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end
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else
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oo_ = initialize_output_structure(var1,var2,nar,oo_);
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end
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tmp = dir([ dname '/metropolis/' fname '_PosteriorCorrelations*.mat']);
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NumberOfFiles = length(tmp);
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i1 = 1; tmp = zeros(SampleSize,1);
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for file = 1:NumberOfFiles
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load([ dname '/metropolis/' fname '_PosteriorCorrelations' int2str(file) '.mat']);
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i2 = i1 + rows(Correlation_array) - 1;
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tmp(i1:i2) = Correlation_array(:,indx1,indx2,nar);
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i1 = i2+1;
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end
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[post_mean, post_median, post_var, hpd_interval, post_deciles, density] = ...
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posterior_moments(tmp,1,mh_conf_sig);
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name = [ var1 '.' var2 ];
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if isfield(oo_,'PosteriorTheoreticalMoments')
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if isfield(oo_.PosteriorTheoreticalMoments,'dsge')
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if isfield(oo_.PosteriorTheoreticalMoments.dsge,'correlation')
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oo_ = fill_output_structure(var1,var2,oo_,'mean',nar,post_mean);
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oo_ = fill_output_structure(var1,var2,oo_,'median',nar,post_median);
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oo_ = fill_output_structure(var1,var2,oo_,'variance',nar,post_var);
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oo_ = fill_output_structure(var1,var2,oo_,'hpdinf',nar,hpd_interval(1));
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oo_ = fill_output_structure(var1,var2,oo_,'hpdsup',nar,hpd_interval(2));
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oo_ = fill_output_structure(var1,var2,oo_,'deciles',nar,post_deciles);
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oo_ = fill_output_structure(var1,var2,oo_,'density',nar,density);
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end
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end
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end
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function oo_ = initialize_output_structure(var1,var2,nar,oo_)
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name = [ var1 '.' var2 ];
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.mean.' name ' = NaN(' int2str(nar) ',1);']);
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.median.' name ' = NaN(' int2str(nar) ',1);']);
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.variance.' name ' = NaN(' int2str(nar) ',1);']);
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.hpdinf.' name ' = NaN(' int2str(nar) ',1);']);
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.hpdsup.' name ' = NaN(' int2str(nar) ',1);']);
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.deciles.' name ' = cell(' int2str(nar) ',1);']);
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.density.' name ' = cell(' int2str(nar) ',1);']);
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for i=1:nar
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.density.' name '(' int2str(i) ',1) = {NaN};']);
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.deciles.' name '(' int2str(i) ',1) = {NaN};']);
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end
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function oo_ = fill_output_structure(var1,var2,oo_,type,lag,result)
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name = [ var1 '.' var2 ];
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switch type
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case {'mean','median','variance','hpdinf','hpdsup'}
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.' type '.' name '(' int2str(lag) ',1) = result;']);
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case {'deciles','density'}
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eval(['oo_.PosteriorTheoreticalMoments.dsge.correlation.' type '.' name '(' int2str(lag) ',1) = {result};']);
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otherwise
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disp('fill_output_structure:: Unknown field!')
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end
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@ -0,0 +1,91 @@
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function [nvar,vartan,CorrFileNumber] = dsge_posterior_theoretical_correlation(SampleSize,nar,M_,options_,oo_)
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% This function estimates the posterior density of the endogenous
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% variables second order moments.
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%
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% INPUTS
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% SampleSize [integer]
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%
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%
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%
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% OUTPUTS
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% None.
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%
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% SPECIAL REQUIREMENTS
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% Other matlab routines distributed with Dynare: set_stationary_variables_list.m
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% CheckPath.m
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% selec_posterior_draws.m
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% set_parameters.m
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% resol.m
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% th_autocovariances.m
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% posterior_moments.m
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%
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%
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% part of DYNARE, copyright Dynare Team (2007-2008)
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% Gnu Public License.
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type = 'posterior';
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% Set varlist (vartan)
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[ivar,vartan] = set_stationary_variables_list;
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nvar = length(ivar);
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% Set the size of the auto-correlation function to nar.
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oldnar = options_.ar;
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options_.ar = nar;
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% Get informations about the _posterior_draws files.
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DrawsFiles = dir([M_.dname '/metropolis/' M_.fname '_' type '_draws*' ]);
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NumberOfDrawsFiles = length(DrawsFiles);
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% Number of lines in posterior data files.
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MaXNumberOfCorrLines = ceil(options_.MaxNumberOfBytes/(nvar*nvar*nar)/8);
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if SampleSize<=MaXNumberOfCorrLines
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Correlation_array = zeros(SampleSize,nvar,nvar,nar);
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NumberOfCorrFiles = 1;
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else
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Correlation_array = zeros(MaXNumberOfCorrLines,nvar,nvar,nar);
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NumberOfLinesInTheLastCorrFile = mod(SampleSize,MaXNumberOfCorrLines);
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NumberOfCorrFiles = ceil(SampleSize/MaXNumberOfCorrLines);
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end
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NumberOfCorrLines = rows(Correlation_array);
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CorrFileNumber = 1;
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% Compute 2nd order moments and save them in *_PosteriorCorrelations* files
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linea = 0;
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for file = 1:NumberOfDrawsFiles
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load([M_.dname '/metropolis/' DrawsFiles(file).name ]);
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NumberOfDraws = rows(pdraws);
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isdrsaved = cols(pdraws)-1;
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for linee = 1:NumberOfDraws
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linea = linea+1;
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if isdrsaved
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dr = pdraws{linee,2};
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else
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set_parameters(pdraws{linee,1});
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[dr,info] = resol(oo_.steady_state,0);
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end
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tmp = th_autocovariances(dr,ivar,M_,options_);
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for i=1:nar
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Correlation_array(linea,:,:,i) = tmp{i+1};
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end
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if linea == NumberOfCorrLines
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save([ M_.dname '/metropolis/' M_.fname '_PosteriorCorrelations' int2str(CorrFileNumber) '.mat' ],'Correlation_array');
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CorrFileNumber = CorrFileNumber + 1;
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linea = 0;
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test = CorrFileNumber-NumberOfCorrFiles;
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if ~test% Prepare the last round...
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Correlation_array = zeros(NumberOfLinesInTheLastCorrFile,nvar,nvar,nar);
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NumberOfCorrLines = NumberOfLinesInTheLastCorrFile;
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CorrFileNumber = CorrFileNumber - 1;
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elseif test<0;
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Correlation_array = zeros(MaXNumberOfCorrLines,nvar,nvar,nar);
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else
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clear('Correlation_array');
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end
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end
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end
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end
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options_.ar = oldnar;
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@ -1,4 +1,4 @@
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function oo_ = posterior_analysis(type,arg1,arg2,options_,M_,oo_)
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function oo_ = posterior_analysis(type,arg1,arg2,arg3,options_,M_,oo_)
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% part of DYNARE, copyright Dynare Team (2008)
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% Gnu Public License.
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@ -15,34 +15,47 @@ function oo_ = posterior_analysis(type,arg1,arg2,options_,M_,oo_)
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drsize=0;
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end
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SampleAddress = selec_posterior_draws(SampleSize,drsize);
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oo_ = job(type,SampleSize,arg1,arg2,arg3,options_,M_,oo_);
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case {4,5}
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switch type
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case 'variance'
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[nvar,vartan,NumberOfFiles] = ...
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dsge_posterior_theoretical_covariance(SampleSize,M_,options_,oo_);
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oo_ = covariance_posterior_analysis(SampleSize,M_.dname,M_.fname,...
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vartan,nvar,arg1,arg2,options_.mh_conf_sig,oo_);
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case 'decomposition'
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[nvar,vartan,NumberOfFiles] = ...
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dsge_posterior_theoretical_variance_decomposition(SampleSize,M_,options_,oo_);
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oo_ = variance_decomposition_posterior_analysis(SampleSize,M_.dname,M_.fname,...
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M_.exo_names,arg2,vartan,arg1,options_.mh_conf_sig,oo_);
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otherwise
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disp('Not yet implemented')
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end
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oo_ = job(type,SampleSize,arg1,arg2,arg3,options_,M_,oo_);
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case 6
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[ivar,vartan] = set_stationary_variables_list;
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nvar = length(ivar);
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switch type
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case 'variance'
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oo_ = covariance_posterior_analysis(SampleSize,M_.dname,M_.fname,...
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vartan,nvar,arg1,arg2,options_.mh_conf_sig,oo_);
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case 'decomposition'
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oo_ = variance_decomposition_posterior_analysis(SampleSize,M_.dname,M_.fname,...
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M_.exo_names,arg2,vartan,arg1,options_.mh_conf_sig,oo_);
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otherwise
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disp('Not yet implemented')
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end
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oo_ = job(type,SampleSize,arg1,arg2,arg3,options_,M_,oo_,nvar,vartan);
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otherwise
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error(['posterior_analysis:: Check_posterior_analysis_data gave a meaningless output!'])
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end
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function oo_ = job(type,SampleSize,arg1,arg2,arg3,options_,M_,oo_,nvar,vartan)
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narg1 = 8;
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narg2 = 10;
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if ~(nargin==narg1 | nargin==narg2)
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error('posterior_analysis:: Call to function job is buggy!')
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end
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switch type
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case 'variance'
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if nargin==narg1
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[nvar,vartan,NumberOfFiles] = ...
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dsge_posterior_theoretical_covariance(SampleSize,M_,options_,oo_);
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end
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oo_ = covariance_posterior_analysis(SampleSize,M_.dname,M_.fname,...
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vartan,nvar,arg1,arg2,options_.mh_conf_sig,oo_);
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case 'decomposition'
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if nargin==narg1
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[nvar,vartan,NumberOfFiles] = ...
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dsge_posterior_theoretical_variance_decomposition(SampleSize,M_,options_,oo_);
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end
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oo_ = variance_decomposition_posterior_analysis(SampleSize,M_.dname,M_.fname,...
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M_.exo_names,arg2,vartan,arg1,options_.mh_conf_sig,oo_);
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case 'correlation'
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if nargin==narg1
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[nvar,vartan,NumberOfFiles] = ...
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dsge_posterior_theoretical_correlation(SampleSize,arg3,M_,options_,oo_);
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end
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oo_ = correlation_posterior_analysis(SampleSize,M_.dname,M_.fname,...
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vartan,nvar,arg1,arg2,arg3,options_.mh_conf_sig,oo_,M_,options_);
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otherwise
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disp('Not yet implemented')
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end
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@ -50,7 +50,7 @@ function SampleAddress = selec_posterior_draws(SampleSize,drsize)
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% Get informations about the mcmc:
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MhDirectoryName = CheckPath('metropolis');
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fname = [ MhDirectoryName '/' M_.fname];
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load([ fname '_mh_history']);
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load([ fname '_mh_history.mat']);
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FirstMhFile = record.KeepedDraws.FirstMhFile;
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FirstLine = record.KeepedDraws.FirstLine;
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TotalNumberOfMhFiles = sum(record.MhDraws(:,2));
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