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dbgsom_init.m
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dbgsom_init.m
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function net=dbgsom_init(data)
% DBGSOM initializatio
% Directed Batch Growing Self Organizing Map (DBGSOM)
% version 1.0 - July 2017
% Mahdi Vasighi
% Institute for Advanced Studies in Basic Sciences, Zanjan, Iran
% Department of Computer Science and Information Technology
% www.iasbs.ac.ir/~vasighi/
% Directed Batch Growing Self Organizing Map (DBGSOM), version 1.0
% Copyright (C) 2017 Mahdi Vasighi
%
% This program 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
% any later version.
%
% This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
grd=[0 0;1 0;0 1;1 1]'; %grid positions
W=mean(data)'*ones(1,4)+0.1*randn(size(data,2),size(grd,2));
% W=rand(size(X,2),size(grd,2));
net.W=W;
net.grd=grd;