[f323b4]: inst / __kernel_weights.m  Maximize  Restore  History

Download this file

31 lines (27 with data), 1.1 kB

 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
## Copyright (C) 2006, 2007 Michael Creel <michael.creel@uab.es>
##
## 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 (at your option) 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/>.
## __kernel_weights: for internal use by kernel_regression and kernel_density. There
## is also a faster .oct file version that should be be found automatically.
function W = __kernel_weights(data, evalpoints, kernel)
# calculate distances
nn = rows(evalpoints);
n = rows(data);
W = zeros(nn,n);
for i = 1:nn
zz = data - repmat(evalpoints(i,:), n, 1);
zz = feval(kernel, zz);
W(i,:) = zz';
endfor
endfunction

Get latest updates about Open Source Projects, Conferences and News.

Sign up for the SourceForge newsletter:





No, thanks