X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Feconometrics-1.0.8%2F__kernel_weights.m;fp=octave_packages%2Feconometrics-1.0.8%2F__kernel_weights.m;h=95c42ed1df70c7dbc7de3f5ff34dbe5eb30f1dcd;hp=0000000000000000000000000000000000000000;hb=c880e8788dfc484bf23ce13fa2787f2c6bca4863;hpb=1705066eceaaea976f010f669ce8e972f3734b05

diff --git a/octave_packages/econometrics-1.0.8/__kernel_weights.m b/octave_packages/econometrics-1.0.8/__kernel_weights.m
new file mode 100644
index 0000000..95c42ed
--- /dev/null
+++ b/octave_packages/econometrics-1.0.8/__kernel_weights.m
@@ -0,0 +1,32 @@
+# Copyright (C) 2006, 2007  Michael Creel <michael.creel@uab.es>
+# under the terms of the GNU General Public License.
+#
+# 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 2 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