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- ## Copyright (C) 1996, 1997 Kurt Hornik
- ##
- ## 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, 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 file. If not, write to the Free Software Foundation,
- ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- ## usage: empirical_rnd (N, DATA)
- ##
- ## Generate a bootstrap sample of size N from the empirical distribution
- ## obtained from the univariate sample DATA.
-
- ## Author: KH <Kurt.Hornik@ci.tuwien.ac.at>
- ## Description: Bootstrap samples from the empirical distribution
-
- function rnd = empirical_rnd (N, DATA)
-
- if (! is_vector (DATA))
- error ("empirical_rnd: DATA must be a vector");
- endif
-
- rnd = discrete_rnd (N, DATA, ones (size (DATA)) / length (DATA));
-
- endfunction
-