data.m.svn-base

来自「a function inside machine learning」· SVN-BASE 代码 · 共 38 行

function dataObj = data(name, value, type)
%Create a data object 

% Copyright (C) 2006 Charanpal Dhanjal 

% This library is free software; you can redistribute it and/or
% modify it under the terms of the GNU Lesser General Public
% License as published by the Free Software Foundation; either
% version 2.1 of the License, or (at your option) any later version.
% 
% This library 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
% Lesser General Public License for more details.
% 
% You should have received a copy of the GNU Lesser General Public
% License along with this library; if not, write to the Free Software
% Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
% USA

if (nargin > 3)
    fprintf('%s\n', help(sprintf('%s', mfilename)));
    error('Incorrect number of inputs - see above usage instructions.');
end

if nargin == 0
    dataObj.numExamples = 0;
    dataObj.globalIndices = struct; 
    dataObj.colIndices = struct; 
    dataObj.exampleIndices = struct; 
    dataObj.types = struct;     
    dataObj = class(dataObj, 'data');
elseif isa(name, 'data')
    dataObj = name;
else 
    error('Invalid construction of data object');
end