1 /* PSPP - computes sample statistics.
2 Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
3 Written by Ben Pfaff <blp@gnu.org>.
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
31 If the weighting variable is deleted somehow (for instance by
32 end-of-scope of TEMPORARY), weighting must be canceled.
34 Scratch vars may not be used for weighting. */
36 /* WEIGHT transformation. */
40 int src; /* `value' index of weighting variable. */
41 int dest; /* `value' index of $WEIGHT. */
47 lex_match_id ("WEIGHT");
49 if (lex_match_id ("OFF"))
50 dict_set_weight (default_dict, NULL);
56 v = parse_variable ();
61 msg (SE, _("The weighting variable must be numeric."));
64 if (v->name[0] == '#')
66 msg (SE, _("The weighting variable may not be scratch."));
70 dict_set_weight (default_dict, v);
73 return lex_end_of_command ();