1 /* PSPP - computes sample statistics.
3 Copyright (C) 2004 Free Software Foundation, Inc.
5 Written by John Darrington <john@darrington.wattle.id.au>
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License as
9 published by the Free Software Foundation; either version 2 of the
10 License, or (at your option) any later version.
12 This program is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
27 /* private data for commands dealing with grouped data*/
30 /* Stats for the `universal group' (ie the totals) */
31 struct group_statistics ugs;
33 /* The number of groups */
36 /* The levene statistic */
39 /* A hash of group statistics keyed by the value of the
40 independent variable */
41 struct hsh_table *group_hash;
43 /* Mean square error */
49 struct group_proc *group_proc_get (struct variable *);