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
|
% CAT [overload base function]
% Copyright Notice
%
% Copyright (C) 2013 SUPELEC
%
% Author: Julien Bect <julien.bect@supelec.fr>
% Copying Permission Statement
%
% This file is part of
%
% STK: a Small (Matlab/Octave) Toolbox for Kriging
% (http://sourceforge.net/projects/kriging)
%
% STK 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.
%
% STK 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 STK. If not, see <http://www.gnu.org/licenses/>.
function z = cat(dim, varargin)
if dim == 1
% concatenate along dimension 1, i.e., vertically
z = vertcat(varargin{:});
else
if dim ~= 2
errmsg = 'Dataframes can only be concatenated along dimension 1 or 2.';
stk_error(errmsg, 'IncorrectArgument');
else
% concatenate along dimension 2, i.e., horizontally
z = horzcat(varargin{:});
end
end % if
end % function cat
%!shared u, v, x, y
%! u = rand(3, 2);
%! v = rand(3, 2);
%! x = stk_dataframe(u);
%! y = stk_dataframe(v);
%!test % vertical
%! z = cat(1, x, y);
%! assert(isa(z, 'stk_dataframe'));
%! assert(isequal(double(z), [u; v]));
%!error z = cat(3, x, y);
%!test % horizontal
%! y = stk_dataframe(v, {'y1' 'y2'});
%! z = cat(2, x, y);
%! assert(isa(z, 'stk_dataframe'));
%! assert(isequal(double(z), [u v]));
%! assert(all(strcmp(z.colnames, {'' '' 'y1' 'y2'})));
|
