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