dynare/matlab/variance_decomposition_post...

77 lines
3.3 KiB
Matlab

function oo_ = variance_decomposition_posterior_analysis(NumberOfSimulations,dname,fname, ...
exonames,exo,vartan,var,mh_conf_sig,oo_)
% Copyright (C) 2008 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/>.
indx = check_name(vartan,var);
if isempty(indx)
disp(['posterior_analysis:: ' var ' is not a stationary endogenous variable!'])
return
end
jndx = check_name(exonames,exo);
if isempty(jndx)
disp(['posterior_analysis:: ' exo ' is not a declared exogenous variable!'])
return
end
tmp = dir([ dname '/metropolis/' fname '_PosteriorVarianceDecomposition*.mat']);
NumberOfFiles = length(tmp);
i1 = 1; tmp = zeros(NumberOfSimulations,1);
indice = (indx-1)*rows(exonames)+jndx;
for file = 1:NumberOfFiles
load([dname '/metropolis/' fname '_PosteriorVarianceDecomposition' int2str(file) '.mat']);
i2 = i1 + rows(Decomposition_array) - 1;
tmp(i1:i2) = Decomposition_array(:,indice);
i1 = i2+1;
end
name = [ var '.' exo ];
if isfield(oo_,'PosteriorTheoreticalMoments')
if isfield(oo_.PosteriorTheoreticalMoments,'dsge')
if isfield(oo_.PosteriorTheoreticalMoments.dsge,'VarianceDecomposition')
if isfield(oo_.PosteriorTheoreticalMoments.dsge.VarianceDecomposition.mean,name)
% Nothing to do.
return
end
end
end
end
t1 = min(tmp); t2 = max(tmp);
t3 = t2-t1;% How to normalize ? t1 and t2 may be zero...
if t3<1.0e-12
if t1<1.0e-12
t1 = 0;
end
if abs(t1-1)<1.0e-12
t1 = 1;
end
post_mean = t1;
post_median = t1;
post_var = 0;
hpd_interval = NaN(2,1);
post_deciles = NaN(9,1);
density = NaN;
else
[post_mean, post_median, post_var, hpd_interval, post_deciles, density] = ...
posterior_moments(tmp,1,mh_conf_sig);
end
eval(['oo_.PosteriorTheoreticalMoments.dsge.VarianceDecomposition.mean.' name ' = post_mean;']);
eval(['oo_.PosteriorTheoreticalMoments.dsge.VarianceDecomposition.median.' name ' = post_median;']);
eval(['oo_.PosteriorTheoreticalMoments.dsge.VarianceDecomposition.variance.' name ' = post_var;']);
eval(['oo_.PosteriorTheoreticalMoments.dsge.VarianceDecomposition.hpdinf.' name ' = hpd_interval(1);']);
eval(['oo_.PosteriorTheoreticalMoments.dsge.VarianceDecomposition.hpdsup.' name ' = hpd_interval(2);']);
eval(['oo_.PosteriorTheoreticalMoments.dsge.VarianceDecomposition.deciles.' name ' = post_deciles;']);
eval(['oo_.PosteriorTheoreticalMoments.dsge.VarianceDecomposition.density.' name ' = density;']);