dynare/matlab/dynare_estimation.m

207 lines
7.3 KiB
Matlab

function dynare_estimation(var_list,dname)
% function dynare_estimation(var_list)
% runs the estimation of the model
%
% INPUTS
% var_list: selected endogenous variables vector
%
% OUTPUTS
% none
%
% SPECIAL REQUIREMENTS
% none
% Copyright (C) 2003-2013 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/>.
global options_ oo_ M_ oo_recursive_
%% Decide if a DSGE or DSGE-VAR has to be estimated.
if ~isempty(strmatch('dsge_prior_weight',M_.param_names))
options_.dsge_var = 1;
end
var_list = check_list_of_variables(options_, M_, var_list);
options_.varlist = var_list;
if isfield(options_,'nobs')
nobs = sort(options_.nobs);
else
nobs = [];
end
nnobs = length(nobs);
horizon = options_.forecast;
if nargin<2 || ~exist(dname) || isempty(dname)
dname = M_.fname;
end
M_.dname = dname;
if options_.mode_compute && options_.analytic_derivation,
analytic_derivation0=options_.analytic_derivation;
options_.analytic_derivation=1;
end
if nnobs > 1
for i=1:nnobs
options_.nobs = nobs(i);
M_.dname = [dname '_' int2str(nobs(i))];
dynare_estimation_1(var_list,M_.dname);
if isequal(i,1)
options_.mode_file = [M_.fname '_mode'];
end
if options_.recursive_estimation_restart
for j=1:options_.recursive_estimation_restart
dynare_estimation_1(var_list,M_.dname);
end
end
oo_recursive_{nobs(i)} = oo_;
end
else
dynare_estimation_1(var_list,dname);
end
if options_.mode_compute && options_.analytic_derivation,
options_.analytic_derivation=analytic_derivation0;
end
if nnobs > 1 && horizon > 0
mh_replic = options_.mh_replic;
rawdata = read_variables(options_.datafile,options_.varobs,[],options_.xls_sheet,options_.xls_range);
gend = options_.nobs;
data_plot_end_point=min(options_.first_obs+gend-1+horizon,size(rawdata,1)); %compute last observation that can be plotted
rawdata = rawdata(options_.first_obs:data_plot_end_point,:);
% Take the log of the variables if needed
if options_.loglinear && ~options_.logdata % and if the data are not in logs, then...
rawdata = log(rawdata);
end
endo_names = M_.endo_names;
n_varobs = size(options_.varobs,1);
if isempty(var_list)
var_list = endo_names;
nvar = size(endo_names,1);
SelecVariables = transpose(1:nvar);
else
nvar = size(var_list,1);
SelecVariables = [];
for i=1:nvar
if ~isempty(strmatch(var_list(i,:),endo_names,'exact'))
SelecVariables = [SelecVariables;strmatch(var_list(i,:),endo_names, ...
'exact')];
else
error(['Estimation: ' var_list(i,:) ' isn''t an endogenous' ...
'variable'])
end
end
end
IdObs = zeros(n_varobs,1);
for j=1:n_varobs
iobs = strmatch(options_.varobs(j,:),var_list,'exact');
if ~isempty(iobs)
IdObs(j,1) = iobs;
end
end
time_offset=min(3,gend-1); %for observables, plot 3 previous periods unless data is shorter
k = time_offset+min(nobs(end)-nobs(1)+horizon, ...
size(rawdata,1)-nobs(1));
data2 = rawdata(end-k+1:end,:);
[nbplt,nr,nc,lr,lc,nstar] = pltorg(nvar);
m = 1;
plot_index=0;
OutputDirectoryName = CheckPath('graphs',M_.fname);
for i = 1:size(var_list,1)
if mod(i,nstar) == 1
plot_index=plot_index+1;
hfig = dyn_figure(options_,'Name',['Out of sample forecasts (',num2str(plot_index),')']);
m = 1;
end
subplot(nr,nc,m)
hold on
if any(i==IdObs)
k2 = find(i==IdObs);
offsetx = 3;
plot(nobs(1)-offsetx+1:nobs(1)-offsetx+k,data2(end-k+1:end,k2)','-k','linewidth',2);
else
offsetx = 0;
end
vname = deblank(var_list(i,:));
maxlag = M_.maximum_lag;
for j=1:nnobs
if mh_replic > 0
eval(['oo_.RecursiveForecast.Mean.' vname '(j,:) =' ...
'oo_recursive_{' int2str(nobs(j)) '}.MeanForecast.Mean.' ...
vname '(maxlag+1:end);']);
eval(['oo_.RecursiveForecast.HPDinf.' vname '(j,:) =' ...
'oo_recursive_{' int2str(nobs(j)) '}.MeanForecast.HPDinf.' ...
vname '(maxlag+1:end);']);
eval(['oo_.RecursiveForecast.HPDsup.' vname '(j,:) =' ...
'oo_recursive_{' int2str(nobs(j)) '}.MeanForecast.HPDsup.' ...
vname '(maxlag+1:end);']);
eval(['oo_.RecursiveForecast.HPDTotalinf.' vname '(j,:) =' ...
'oo_recursive_{' int2str(nobs(j)) '}.PointForecast.HPDinf.' ...
vname '(maxlag+1:end);']);
eval(['oo_.RecursiveForecast.HPDTotalsup.' vname '(j,:) =' ...
'oo_recursive_{' int2str(nobs(j)) '}.PointForecast.HPDsup.' ...
vname '(maxlag+1:end);']);
else
eval(['oo_.RecursiveForecast.Mean.' vname '(j,:) =' ...
'oo_recursive_{' int2str(nobs(j)) '}.forecast.Mean.' ...
vname ';']);
eval(['oo_.RecursiveForecast.HPDinf.' vname '(j,:) =' ...
'oo_recursive_{' int2str(nobs(j)) '}.forecast.HPDinf.' ...
vname ';']);
eval(['oo_.RecursiveForecast.HPDsup.' vname '(j,:) =' ...
'oo_recursive_{' int2str(nobs(j)) '}.forecast.HPDsup.' ...
vname ';']);
end
x = nobs(1)+nobs(j)-nobs(1)+(1:horizon);
y = eval(['oo_.RecursiveForecast.Mean.' vname '(j,:)']);
y1 = eval(['oo_.RecursiveForecast.HPDinf.' vname '(j,:)']);
y2 = eval(['oo_.RecursiveForecast.HPDsup.' vname '(j,:)']);
plot(x,y,'-b','linewidth',2)
plot(x,y1,'--g', ...
'linewidth',1.5)
plot(x,y2,'--g', ...
'linewidth',1.5)
if mh_replic
y3 = eval(['oo_.RecursiveForecast.HPDTotalinf.' vname '(j,:)']);
y4 = eval(['oo_.RecursiveForecast.HPDTotalsup.' vname ...
'(j,:)']);
plot(x,y3,'--r', ...
'linewidth',1.5)
plot(x,y4,'--r','linewidth',1.5)
end
end
box on
title(vname,'Interpreter','none')
hold off
xlim([nobs(1)-offsetx nobs(end)+horizon])
m = m + 1;
if mod(i+1,nstar) == 1 || i ==size(var_list,1)
dyn_saveas(hfig,[M_.fname,filesep,'graphs',filesep M_.fname '_RecursiveForecasts_' int2str(plot_index)],options_);
end
end
end