114 lines
2.9 KiB
Matlab
114 lines
2.9 KiB
Matlab
function check_varobs_are_endo_and_declared_once(varobs, endo_names)
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% Check that each declared observed variable is an endogenous variable and is declared only once
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%
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% INPUTS
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% - varobs [cell] list of observed variables
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% - endo_names [cell] list of endogenous variables
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%
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% OUTPUTS
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% None, display an error message something is wrong with VAROBS
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% Copyright © 2023-2024 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 <https://www.gnu.org/licenses/>.
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cut = @(x) x(1:end-2); % Remove the last two elements of an array.
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% Throw an error if an observed variable is not declared as an endogenous variable.
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unknown_varobs = setdiff(varobs, endo_names);
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if ~isempty(unknown_varobs)
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error('Estimation:varobs:unknown', 'VAROBS: Unknown endogenous variables (%s)\n', cut(sprintf('%s, ', unknown_varobs{:})))
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end
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% Check that a variable is not declared as observed more than once.
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[varobs_, vi, vj] = unique(varobs);
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if ~isequal(vi, vj)
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duplicates = {}; j=0;
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for i=2:length(vi)
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if vi(i)>vi(i-1)+1
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j = j+1;
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duplicates{j} = varobs{vi(i-1)};
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end
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end
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if sum(length(vi)==vj)
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duplicates{j+1} = varobs{vi(end)};
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end
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error('Estimation:varobs:duplicate', 'VAROBS: A variable cannot be declared as observed more than once (%s)\n', cut(sprintf('%s, ', duplicates{:})))
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end
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return % --*-- Unit tests --*--
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%@test:1
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endovar={'A1','A2','A3','A4','A5'};
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obsvar={'A1','A1','A3','A4','A4','A4','A5'};
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% Call the tested routine.
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try
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check_varobs_are_endo_and_declared_once(obsvar, endovar)
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t(1) = false;
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catch ME
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t(1) = true;
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end
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if t(1)
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t(2) = strcmp(ME.identifier, 'Estimation:varobs:duplicate');
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end
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T = all(t);
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%@eof:1
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%@test:2
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endovar={'A1','A2','A3','A4','A5'};
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obsvar={'A1','A3','A4','A5','A5'};
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% Call the tested routine.
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try
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check_varobs_are_endo_and_declared_once(obsvar, endovar)
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t(1) = false;
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catch ME
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t(1) = true;
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end
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if t(1)
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t(2) = strcmp(ME.identifier, 'Estimation:varobs:duplicate');
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end
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T = all(t);
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%@eof:2
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%@test:3
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endovar={'A1','A2','A3','A4','A5'};
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obsvar={'A1','A3','A4','B1','A5'};
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% Call the tested routine.
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try
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check_varobs_are_endo_and_declared_once(obsvar, endovar)
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t(1) = false;
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catch ME
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t(1) = true;
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end
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if t(1)
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t(2) = strcmp(ME.identifier, 'Estimation:varobs:unknown');
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end
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T = all(t);
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%@eof:3
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