1function o = center(o, geometric) % --*-- Unitary tests --*-- 2 3% Centers dseries object o around its mean (arithmetic or geometric). 4% 5% INPUTS 6% - o dseries object [mandatory]. 7% - geometric logical [default is false], if true returns the geometric mean. 8% 9% OUTPUTS 10% - o dseries object. 11 12% Copyright (C) 2016-2017 Dynare Team 13% 14% This file is part of Dynare. 15% 16% Dynare is free software: you can redistribute it and/or modify 17% it under the terms of the GNU General Public License as published by 18% the Free Software Foundation, either version 3 of the License, or 19% (at your option) any later version. 20% 21% Dynare is distributed in the hope that it will be useful, 22% but WITHOUT ANY WARRANTY; without even the implied warranty of 23% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24% GNU General Public License for more details. 25% 26% You should have received a copy of the GNU General Public License 27% along with Dynare. If not, see <http://www.gnu.org/licenses/>. 28 29if nargin<2 30 geometric = false; 31end 32 33o = copy(o); 34o.center_(geometric); 35 36%@test:1 37%$ % Define a dataset. 38%$ A = repmat([1.005, 1.05], 10, 1); 39%$ 40%$ % Instantiate a time series object and compute the mean. 41%$ try 42%$ ts = dseries(A); 43%$ ds = ts.center(true); 44%$ t(1) = 1; 45%$ catch 46%$ t = 0; 47%$ end 48%$ 49%$ if t(1) 50%$ t(2) = all(all(abs(ds.data-ones(10,2))<1e-12)); 51%$ t(3) = all(all(abs(ts.data-A)<1e-12)); 52%$ t(4) = dassert(ds.ops{1}, 'center(Variable_1, 1)'); 53%$ t(5) = dassert(ds.name{1}, 'Variable_1'); 54%$ t(6) = isempty(ts.ops{1}); 55%$ t(7) = dassert(ds.name{1}, 'Variable_1'); 56%$ end 57%$ T = all(t); 58%@eof:1 59