/usr/share/dynare/matlab/particle/resample.m is in dynare-common 4.4.1-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | function resampled_particles = resample(particles,weights,DynareOptions)
% Resamples particles.
%@info:
%! @deftypefn {Function File} {@var{indx} =} resample (@var{weights}, @var{method})
%! @anchor{particle/resample}
%! @sp 1
%! Resamples particles.
%! @sp 2
%! @strong{Inputs}
%! @sp 1
%! @table @ @var
%! @item weights
%! n*1 vector of doubles, particles' weights.
%! @item method
%! string equal to 'residual' or 'traditional'.
%! @end table
%! @sp 2
%! @strong{Outputs}
%! @sp 1
%! @table @ @var
%! @item indx
%! n*1 vector of intergers, indices.
%! @end table
%! @sp 2
%! @strong{This function is called by:}
%! @sp 1
%! @ref{particle/sequantial_importance_particle_filter}
%! @sp 2
%! @strong{This function calls:}
%! @sp 1
%! @ref{residual_resampling}, @ref{traditional_resampling}
%! @sp 2
%! @end deftypefn
%@eod:
% Copyright (C) 2011-2013 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/>.
% AUTHOR(S) frederic DOT karame AT univ DASH evry DOT fr
% stephane DOT adjemian AT univ DASH lemans DOT fr
switch DynareOptions.particle.resampling.method1
case 'residual'
if strcmpi(DynareOptions.particle.resampling.method2,'kitagawa')
resampled_particles = residual_resampling(particles,weights,rand);
elseif strcmpi(DynareOptions.particle.resampling.method2,'stratified')
resampled_particles = residual_resampling(particles,weights,rand(size(weights)));
else
error('particle::resample: Unknown method!')
end
case 'traditional'
if strcmpi(DynareOptions.particle.resampling.method2,'kitagawa')
resampled_particles = traditional_resampling(particles,weights,rand);
elseif strcmpi(DynareOptions.particle.resampling.method2,'stratified')
resampled_particles = traditional_resampling(particles,weights,rand(size(weights)));
else
error('particle::resample: Unknown method!')
end
case 'smooth'
resampled_particles = multivariate_smooth_resampling(particles,weights) ;
otherwise
error('particle::resample: Unknown method!')
end
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