Commit 76d05aea authored by Stéphane Adjemian's avatar Stéphane Adjemian

Merge branch 'pr#1583'

parents 82de9c1d e6cc7d6a
function c = demean(x)
% Removes the mean of each column of a matrix.
%@info:
%! @deftypefn {Function File} {@var{c} =} demean (@var{x})
%! @anchor{demean}
%! This function removes the mean of each column of a matrix.
%!
%! @strong{Inputs}
%! @table @var
%! @item x
%! Matlab matrix (T-by-N).
%! @end table
%!
%! @strong{Outputs}
%! @table @var
%! @item c
%! Matlab matrix (T-by-N). The demeaned x matrix.
%! @end table
%!
%! @strong{This function is called by:}
%! @ref{compute_cova}, @ref{compute_acov}, @ref{compute_std}.
%!
%! @strong{This function calls:}
%! @ref{ndim},
%!
%! @end deftypefn
%@eod:
% Removes the mean of each column of a matrix.
%
% INPUTS
% - x [double] T*N matrix of data.
%
% OUTPUTS
% - c [double] T*N matrix of demeaned data.
% Copyright (C) 2011-2017 Dynare Team
% Copyright (C) 2011-2018 Dynare Team
%
% This file is part of Dynare.
%
......@@ -44,12 +25,8 @@ function c = demean(x)
% You should have received a copy of the GNU General Public License
% along with Dynare. If not, see <http://www.gnu.org/licenses/>.
% Original author: stephane DOT adjemian AT univ DASH lemans DOT fr
if ndim(x)>2
error('This function is not implemented for arrays with dimension greater than two!')
end
if ndim(x)==1
c = x-mean(x);
elseif ndim(x)==2
c = bsxfun(@minus,x,mean(x));
else
error('descriptive_statistics::demean:: This function is not implemented for arrays with dimension greater than two!')
end
\ No newline at end of file
c = bsxfun(@minus, x, nanmean(x));
\ No newline at end of file
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