2019-12-27 18:58:32 +01:00
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function series = histvalf_initvalf(caller, M, options)
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% function initvalf(M)
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%
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% handles options for histvalf_initvalf() and initvalf()
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%
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% INPUTS
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% caller: string, name of calling function
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% M: model structure
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% options: options specific to initivalf
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%
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% OUTPUTS
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% series: dseries containing selected data from a file or a dseries
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%
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% Copyright (C) 2003-2020 Dynare Team
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%
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% This file is part of Dynare.
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%
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% Dynare is free software: you can redistribute it and/or modify
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% it under the terms of the GNU General Public License as published by
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% the Free Software Foundation, either version 3 of the License, or
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% (at your option) any later version.
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%
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% Dynare is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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%
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% You should have received a copy of the GNU General Public License
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% along with Dynare. If not, see <http://www.gnu.org/licenses/>.
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% dseries
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if isfield(options, 'series')
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series = options.series;
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dseries_ispresent = true;
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else
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dseries_ispresent = false;
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end
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% file
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datafile = '';
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if isfield(options, 'filename')
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warning([caller, '_FILE: option FILENAME is deprecated, please use', ...
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' option DATAFILE'])
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if dseries_ispresent
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error([caller, '_FILE: you can''t use option FILENAME and option SERIES', ...
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' at the same time'])
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end
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if isfield(options, 'datafile')
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error([caller, '_FILE: you can''t use option DATAFILE and option FILENAME', ...
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' at the same time'])
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end
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datafile = options.filename;
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end
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if isfield(options, 'datafile')
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if dseries_ispresent
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error([caller, '_FILE: you can''t use option DATAFILE and option SERIES', ...
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' at the same time'])
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end
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datafile = options.datafile;
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end
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if datafile
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[directory,basename,extension] = fileparts(datafile);
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% Auto-detect extension if not provided
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if isempty(extension)
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if exist([basename '.m'],'file')
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extension = '.m';
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elseif exist([basename '.mat'],'file')
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extension = '.mat';
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elseif exist([basename '.xls'],'file')
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extension = '.xls';
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elseif exist([basename '.xlsx'],'file')
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extension = '.xlsx';
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else
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error([caller, '_FILE: Can''t find datafile: ' basename '.{m,mat,xls,xlsx}']);
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end
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end
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fullname = [basename extension];
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series = dseries(fullname);
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end
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% checking that all variable are present
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error_flag = false;
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for i = 1:M.orig_endo_nbr
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if ~series.exist(M.endo_names{i})
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disp(sprintf('%s_FILE: endogenous variable %s is missing', ...
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caller, M.endo_names{i}))
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error_flag = true;
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end
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end
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for i = 1:M.exo_nbr
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if ~series.exist(M.exo_names{i})
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disp(sprintf('%s_FILE: exogenous variable %s is missing', ...
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caller, M.exo_names{i}))
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error_flag = true;
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end
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end
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for i = 1:M.exo_det_nbr
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if ~series.exist(M.exo_det_names{i})
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disp(sprintf('%s_FILE: exo_det variable %s is missing', ...
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caller, M.exo_det_names{i}))
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error_flag = true;
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end
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end
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if error_flag
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error([caller, '_FILE: some variables are missing'])
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end
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if exist(sprintf('+%s/dynamic_set_auxiliary_series', M.fname), 'file')
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series = feval(sprintf('%s.dynamic_set_auxiliary_series', M.fname), series, M.params);
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end
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% selecting observations
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if isfield(options, 'nobs')
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nobs = options.nobs;
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else
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nobs = 0;
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end
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periods = series.dates;
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nobs0 = series.nobs;
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first_obs_ispresent = false;
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last_obs_ispresent = false;
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2020-07-15 22:03:48 +02:00
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2020-09-19 19:17:42 +02:00
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first_obs = periods(1);
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if isfield(options, 'first_obs') && ~isempty(options.first_obs)
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if options.first_obs < 1
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2020-09-20 11:11:26 +02:00
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error([caller, '_FILE: first_obs must be a positive number'])
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2020-09-19 19:17:42 +02:00
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elseif options.first_obs > nobs0
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error(sprintf([caller, '_FILE: first_obs = %d is larger than the number', ...
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' of observations in the data file (%d)'], ...
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options.first_obs, nobs0))
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elseif isfield(options, 'first_simulation_period')
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if options.first_obs == options.first_simulation_period ...
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- M.orig_maximum_lag
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first_obs = periods(options.first_obs);
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else
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error(sprintf([caller, '_FILE: first_obs = %d and', ...
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' first_simulation_period = %d have values', ...
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' inconsistent with a maximum lag of %d periods'], ...
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2020-09-20 11:11:26 +02:00
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options.first_obs, options.first_simulation_period, ...
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2020-09-19 19:17:42 +02:00
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M.orig_maximum_lag))
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end
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2020-08-28 15:46:56 +02:00
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elseif isfield(options, 'firstsimulationperiod')
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2020-09-19 19:17:42 +02:00
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if periods(options.first_obs) == options.firstsimulationperiod ...
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- M.orig_maximum_lag
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first_obs = periods(options.first_obs);
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else
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error(sprintf([caller, '_FILE: first_obs = %d and', ...
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' first_simulation_period = %s have values', ...
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' inconsistent with a maximum lag of %d periods'], ...
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2020-09-20 11:11:26 +02:00
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options.first_obs, options.firstsimulationperiod, ...
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2020-09-19 19:17:42 +02:00
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M.orig_maximum_lag))
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end
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else
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2020-09-20 11:11:26 +02:00
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first_obs = periods(options.first_obs);
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2020-07-15 22:03:48 +02:00
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end
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2020-09-19 19:17:42 +02:00
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first_obs_ispresent = true;
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2020-07-15 22:03:48 +02:00
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end
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2020-09-19 19:17:42 +02:00
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if isfield(options, 'firstobs') && ~isempty(options.firstobs)
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if isfield(options, 'first_simulation_period')
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if options.firstobs == periods(options.first_simulation_period) ...
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- M.orig_maximum_lag
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first_obs = options.firstobs;
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else
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2020-09-20 11:11:26 +02:00
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error(sprintf([caller, '_FILE: first_obs = %s and', ...
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2020-09-19 19:17:42 +02:00
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' first_simulation_period = %d have values', ...
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' inconsistent with a maximum lag of %d periods'], ...
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2020-09-20 11:11:26 +02:00
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options.firstobs, options.first_simulation_period, ...
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2020-09-19 19:17:42 +02:00
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M.orig_maximum_lag))
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end
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elseif isfield(options, 'firstsimulationperiod')
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if options.firstobs == options.firstsimulationperiod ...
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- M.orig_maximum_lag
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first_obs = options.firstobs;
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else
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error(sprintf([caller, '_FILE: firstobs = %s and', ...
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' first_simulation_period = %s have values', ...
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' inconsistent with a maximum lag of %d periods'], ...
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options.firstobs, options.firstsimulationperiod, ...
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M.orig_maximum_lag))
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end
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else
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first_obs = options.firstobs;
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2019-12-27 18:58:32 +01:00
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end
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first_obs_ispresent = true;
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end
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2020-09-19 19:17:42 +02:00
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if ~first_obs_ispresent
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if isfield(options, 'first_simulation_period')
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if options.first_simulation_period < options.maximum_lag
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error(sprintf([caller, '_FILE: first_simulation_period = %d', ...
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'must be larger than the maximum lag (%d)'], ...
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options.first_simulation_period, M.orig_maximum_lag))
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elseif options.first_simulation_period > nobs0
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error(sprintf([caller, '_FILE: first_simulations_period = %d', ...
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' is larger than the number of observations in', ...
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' the data file (%d)'], ...
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options.first_obs, nobs0))
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else
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first_obs = periods(options.first_simulation_period) - ...
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M.orig_maximum_lag;
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2019-12-27 18:58:32 +01:00
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end
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2020-09-19 19:17:42 +02:00
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first_obs_ispresent = true;
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elseif isfield(options, 'firstsimulationperiod')
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first_obs = options.firstsimulationperiod - ...
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M.orig_maximum_lag;
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first_obs_ispresent = true;
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end
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end
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if isfield(options, 'last_obs')
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if options.last_obs > nobs0
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2020-09-20 11:11:26 +02:00
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error(sprintf([caller, '_FILE: last_obs = %d is larger than the number', ...
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' of observations in the dataset (%d)'], ...
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2020-09-19 19:17:42 +02:00
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options.last_obs, nobs0))
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elseif first_obs_ispresent
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if nobs > 0 && (periods(options.last_obs) ~= first_obs + nobs - 1)
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2019-12-27 18:58:32 +01:00
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error([caller, '_FILE: FIST_OBS, LAST_OBS and NOBS contain', ...
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' inconsistent information. Use only two of these', ...
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' options.'])
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2020-09-19 19:17:42 +02:00
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else
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2020-09-20 11:11:26 +02:00
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last_obs = periods(options.last_obs);
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end
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else
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last_obs = periods(options.last_obs);
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if nobs > 0
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first_obs = last_obs - nobs + 1;
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else
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first_obs = periods(1);
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2020-09-19 19:17:42 +02:00
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end
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end
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elseif isfield(options, 'lastobs')
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if options.lastobs > series.last
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error(sprintf([caller, '_FILE: last_obs = %s is larger than the number', ...
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2020-09-20 11:11:26 +02:00
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' of observations in the dataset (%s)'], ...
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2020-09-19 19:17:42 +02:00
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options.lastobs, series.last))
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elseif first_obs_ispresent
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if nobs > 0 && (options.lastobs ~= first_obs + nobs - 1)
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2019-12-27 18:58:32 +01:00
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error([caller, '_FILE: FIST_OBS, LAST_OBS and NOBS contain', ...
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' inconsistent information. Use only two of these', ...
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' options.'])
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2020-09-19 19:17:42 +02:00
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else
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2020-09-20 11:11:26 +02:00
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last_obs = options.last_obs;
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end
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else
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last_obs = options.last_obs;
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if nobs > 0
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first_obs = last_obs - nobs + 1;
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else
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first_obs = periods(1);
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2020-09-19 19:17:42 +02:00
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end
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2019-12-27 18:58:32 +01:00
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end
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2020-09-19 19:17:42 +02:00
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elseif nobs > 0
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2020-09-20 11:11:26 +02:00
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last_obs = first_obs + nobs - 1;
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2020-09-19 19:17:42 +02:00
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else
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2020-09-20 11:11:26 +02:00
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last_obs = series.last;
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2019-12-27 18:58:32 +01:00
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end
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2020-09-19 19:17:42 +02:00
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series = series(first_obs:last_obs);
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2019-12-27 18:58:32 +01:00
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