1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2008, 2010, 2011, 2012, 2016 Free Software Foundation
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
16
17
18 #include <config.h>
19
20 #include "psppire-dialog-action-logistic.h"
21 #include "psppire-value-entry.h"
22
23 #include "dialog-common.h"
24 #include "helper.h"
25 #include <ui/syntax-gen.h>
26 #include "psppire-var-view.h"
27
28 #include "psppire-dialog.h"
29 #include "builder-wrapper.h"
30 #include "psppire-dict.h"
31 #include "libpspp/str.h"
32
33 #include "gettext.h"
34 #define _(msgid) gettext (msgid)
35 #define N_(msgid) msgid
36
37
38 static void
39 psppire_dialog_action_logistic_class_init (PsppireDialogActionLogisticClass *class);
40
41 G_DEFINE_TYPE (PsppireDialogActionLogistic, psppire_dialog_action_logistic, PSPPIRE_TYPE_DIALOG_ACTION);
42
43 static gboolean
dialog_state_valid(gpointer data)44 dialog_state_valid (gpointer data)
45 {
46 PsppireDialogActionLogistic *rd = PSPPIRE_DIALOG_ACTION_LOGISTIC (data);
47
48 const gchar *text = gtk_entry_get_text (GTK_ENTRY (rd->dep_var));
49
50 GtkTreeModel *indep_vars = gtk_tree_view_get_model (GTK_TREE_VIEW (rd->indep_vars));
51
52 GtkTreeIter notused;
53
54 return 0 != strcmp ("", text) &&
55 gtk_tree_model_get_iter_first (indep_vars, ¬used);
56 }
57
58 static void
refresh(PsppireDialogAction * rd_)59 refresh (PsppireDialogAction *rd_)
60 {
61 PsppireDialogActionLogistic *rd = PSPPIRE_DIALOG_ACTION_LOGISTIC (rd_);
62
63 GtkTreeModel *liststore = gtk_tree_view_get_model (GTK_TREE_VIEW (rd->indep_vars));
64 gtk_list_store_clear (GTK_LIST_STORE (liststore));
65
66 gtk_entry_set_text (GTK_ENTRY (rd->dep_var), "");
67 }
68
69
70 static void
on_opts_clicked(PsppireDialogActionLogistic * act)71 on_opts_clicked (PsppireDialogActionLogistic *act)
72 {
73 int ret;
74
75 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(act->conf_checkbox), act->conf);
76 gtk_spin_button_set_value (GTK_SPIN_BUTTON (act->conf_entry), act->conf_level);
77 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(act->const_checkbox), act->constant);
78
79 gtk_spin_button_set_value (GTK_SPIN_BUTTON (act->cut_point_entry), act->cut_point);
80 gtk_spin_button_set_value (GTK_SPIN_BUTTON (act->iterations_entry), act->max_iterations);
81
82
83 ret = psppire_dialog_run (PSPPIRE_DIALOG (act->opts_dialog));
84
85 if (ret == PSPPIRE_RESPONSE_CONTINUE)
86 {
87 act->conf = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(act->conf_checkbox));
88 act->conf_level = gtk_spin_button_get_value (GTK_SPIN_BUTTON (act->conf_entry));
89
90 act->constant = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON(act->const_checkbox));
91
92 act->cut_point = gtk_spin_button_get_value (GTK_SPIN_BUTTON (act->cut_point_entry));
93 act->max_iterations = gtk_spin_button_get_value (GTK_SPIN_BUTTON (act->iterations_entry));
94 }
95 }
96
97
98 static GtkBuilder *
psppire_dialog_action_logistic_activate(PsppireDialogAction * a,GVariant * param)99 psppire_dialog_action_logistic_activate (PsppireDialogAction *a, GVariant *param)
100 {
101 PsppireDialogActionLogistic *act = PSPPIRE_DIALOG_ACTION_LOGISTIC (a);
102 PsppireDialogAction *pda = PSPPIRE_DIALOG_ACTION (a);
103 GtkWidget *opts_button;
104
105 GtkBuilder *xml = builder_new ("logistic.ui");
106
107 pda->dialog = get_widget_assert (xml, "logistic-dialog");
108 pda->source = get_widget_assert (xml, "dict-view");
109 act->cut_point = 0.5;
110 act->max_iterations = 20;
111 act->constant = true;
112 act->conf = false;
113 act->conf_level = 95;
114
115 act->dep_var = get_widget_assert (xml, "dependent-entry");
116 act->indep_vars = get_widget_assert (xml, "indep-view");
117 act->opts_dialog = get_widget_assert (xml, "options-dialog");
118 act->conf_checkbox = get_widget_assert (xml, "checkbutton2");
119 act->conf_entry = get_widget_assert (xml, "spinbutton1");
120 act->const_checkbox = get_widget_assert (xml, "checkbutton1");
121
122 act->iterations_entry = get_widget_assert (xml, "spinbutton3");
123 act->cut_point_entry = get_widget_assert (xml, "spinbutton2");
124
125 opts_button = get_widget_assert (xml, "options-button");
126
127 g_signal_connect_swapped (opts_button, "clicked",
128 G_CALLBACK (on_opts_clicked), act);
129
130 g_signal_connect (act->conf_checkbox, "toggled",
131 G_CALLBACK (set_sensitivity_from_toggle),
132 act->conf_entry);
133
134 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(act->conf_checkbox), TRUE);
135 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON(act->conf_checkbox), FALSE);
136
137 psppire_dialog_action_set_refresh (pda, refresh);
138
139 psppire_dialog_action_set_valid_predicate (pda,
140 dialog_state_valid);
141
142 return xml;
143 }
144
145
146
147 static char *
generate_syntax(const PsppireDialogAction * a)148 generate_syntax (const PsppireDialogAction *a)
149 {
150 PsppireDialogActionLogistic *rd = PSPPIRE_DIALOG_ACTION_LOGISTIC (a);
151 gchar *text = NULL;
152
153 const gchar *dep = gtk_entry_get_text (GTK_ENTRY (rd->dep_var));
154
155 GString *strx = g_string_new ("LOGISTIC REGRESSION ");
156
157 g_string_append (strx, dep);
158
159 g_string_append (strx, " WITH");
160
161 GSList *vars = psppire_var_view_list_names (PSPPIRE_VAR_VIEW (rd->indep_vars), 0);
162 GSList *node = vars;
163
164 GString *var_names = g_string_new ("");
165 while (node)
166 {
167 g_string_prepend (var_names, var_get_name (node->data));
168 g_string_prepend (var_names, " ");
169 node = node->next;
170 }
171
172 g_string_append (strx, var_names->str);
173 g_string_free (var_names, TRUE);
174
175
176 GString *categoricals = g_string_new ("");
177 for (node = vars; node; node = node->next)
178 {
179 const struct variable *v = node->data;
180 enum measure m = var_get_measure (v);
181
182 if (m == MEASURE_NOMINAL || m == MEASURE_ORDINAL || var_is_alpha (v))
183 {
184 g_string_prepend (categoricals, var_get_name (v));
185 g_string_prepend (categoricals, " ");
186 }
187 }
188 if (0 != strcmp (categoricals->str, ""))
189 g_string_prepend (categoricals, "\n\t/CATEGORICAL =");
190
191 g_string_append (strx, categoricals->str);
192 g_string_free (categoricals, TRUE);
193 g_slist_free (vars);
194
195 struct string opt_str;
196 ds_init_cstr (&opt_str, "\n\t/CRITERIA =");
197 syntax_gen_pspp (&opt_str, " CUT(%g)", rd->cut_point);
198 syntax_gen_pspp (&opt_str, " ITERATE(%d)", rd->max_iterations);
199 g_string_append (strx, ds_cstr (&opt_str));
200 ds_destroy (&opt_str);
201
202 if (rd->conf)
203 {
204 g_string_append_printf (strx, "\n\t/PRINT = CI(%g)", rd->conf_level);
205 }
206
207 if (rd->constant)
208 g_string_append (strx, "\n\t/NOORIGIN");
209 else
210 g_string_append (strx, "\n\t/ORIGIN");
211
212 g_string_append (strx, ".\n");
213
214 text = strx->str;
215
216 g_string_free (strx, FALSE);
217
218 return text;
219 }
220
221 static void
psppire_dialog_action_logistic_class_init(PsppireDialogActionLogisticClass * class)222 psppire_dialog_action_logistic_class_init (PsppireDialogActionLogisticClass *class)
223 {
224 PSPPIRE_DIALOG_ACTION_CLASS (class)->initial_activate = psppire_dialog_action_logistic_activate;
225
226 PSPPIRE_DIALOG_ACTION_CLASS (class)->generate_syntax = generate_syntax;
227 }
228
229
230 static void
psppire_dialog_action_logistic_init(PsppireDialogActionLogistic * act)231 psppire_dialog_action_logistic_init (PsppireDialogActionLogistic *act)
232 {
233 }
234
235