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[gnumeric.git] / src / tools / analysis-kaplan-meier.c
blob8d43c3469b14284e8f533cb2afca6ecb66e83455
1 /*
2 * analysis-kaplan-meier.c:
3 *
4 *
5 * Author:
6 * Andreas J. Guelzow <aguelzow@pyrshep.ca>
7 *
8 * (C) Copyright 2008 by Andreas J. Guelzow <aguelzow@pyrshep.ca>
9 *
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, see <https://www.gnu.org/licenses/>.
23 */
24
25 #include <gnumeric-config.h>
26 #include <glib/gi18n-lib.h>
27 #include <gnumeric.h>
28 #include <tools/analysis-kaplan-meier.h>
29 #include <tools/analysis-tools.h>
30 #include <value.h>
31 #include <ranges.h>
32 #include <expr.h>
33 #include <func.h>
34 #include <numbers.h>
35 #include <sheet-object-graph.h>
36 #include <graph.h>
37 #include <goffice/goffice.h>
38 #include <sheet.h>
39
40 static gboolean
41 analysis_tool_kaplan_meier_engine_run (data_analysis_output_t *dao,
42 analysis_tools_data_kaplan_meier_t *info)
43 {
44 int rows, row;
45 int std_err_col = info->censored ? 4 : 3;
46 int prob_col = info->censored ? 3 : 2;
47 int repetitions = ((info->group_list == NULL) ? 1
48 : g_slist_length (info->group_list));
49 int colspan = ((info->std_err ? 4 : 3) + (info->censored ? 1 : 0));
50 int i;
51 int logrank_test_y_offset = 0;
52
53 GnmExpr const *expr_data;
54 GnmExpr const *expr_group_data = NULL;
55 GnmExpr const *expr_small;
56 GnmExpr const *expr_time;
57 GnmExpr const *expr_at_risk;
58 GnmExpr const *expr_deaths;
59 GnmExpr const *expr_censures = NULL;
60 GnmExpr const *expr_prob_zero;
61 GnmExpr const *expr_prob;
62 GnmExpr const *expr_std_err = NULL;
63
64 GnmFunc *fd_if;
65 GnmFunc *fd_iserror;
66 GnmFunc *fd_small;
67 GnmFunc *fd_sum;
68 GnmFunc *fd_sqrt = NULL;
69 GnmFunc *fd_min = NULL;
70
71 GogGraph *graph = NULL;
72 GogPlot *plot = NULL;
73 SheetObject *so;
74 GOData *times = NULL;
75
76 GSList *gl = info->group_list;
77
78 fd_small = gnm_func_lookup_or_add_placeholder ("SMALL");
79 gnm_func_inc_usage (fd_small);
80 fd_if = gnm_func_lookup_or_add_placeholder ("IF");
81 gnm_func_inc_usage (fd_if);
82 fd_iserror = gnm_func_lookup_or_add_placeholder ("ISERROR");
83 gnm_func_inc_usage (fd_iserror);
84 fd_sum = gnm_func_lookup_or_add_placeholder ("SUM");
85 gnm_func_inc_usage (fd_sum);
86
87 if (info->std_err) {
88 fd_sqrt = gnm_func_lookup_or_add_placeholder ("SQRT");
89 gnm_func_inc_usage (fd_sqrt);
90 }
91 if (info->median) {
92 fd_min = gnm_func_lookup_or_add_placeholder ("MIN");
93 gnm_func_inc_usage (fd_min);
94 }
95
96 rows = info->base.range_1->v_range.cell.b.row
97 - info->base.range_1->v_range.cell.a.row + 1;
98
99 dao_set_italic (dao, 0, 0, 0, 0);
100 dao_set_cell (dao, 0, 0, _("Kaplan-Meier"));
101
102
103 if (info->chart) {
104 GogChart *chart;
105
106 graph = g_object_new (GOG_TYPE_GRAPH, NULL);
107 chart = GOG_CHART (gog_object_add_by_name (
108 GOG_OBJECT (graph), "Chart", NULL));
109
110 plot = gog_plot_new_by_name ("GogXYPlot");
111 go_object_set_property (G_OBJECT (plot), "interpolation",
112 "Default interpolation", "step-start",
113 NULL, NULL);
114
115 gog_object_add_by_name (GOG_OBJECT (chart),
116 "Plot", GOG_OBJECT (plot));
117 times = dao_go_data_vector (dao, 0, 2, 0, 1+rows);
118 }
119
120 dao_set_italic (dao, 0, 1, 0, 1);
121 dao_set_cell (dao, 0, 1, _("Time"));
122
123 expr_data = gnm_expr_new_constant (value_dup (info->base.range_1));
124
125 if (info->group_list != NULL && info->range_3 != NULL)
126 expr_group_data = gnm_expr_new_constant (value_dup (info->range_3));
127
128 expr_small = gnm_expr_new_funcall2 (fd_small,
129 gnm_expr_new_funcall3
130 (fd_if,
131 gnm_expr_new_binary
132 (gnm_expr_copy (expr_data),
133 GNM_EXPR_OP_GT,
134 make_cellref (0, -1)),
135 gnm_expr_copy (expr_data),
136 gnm_expr_new_constant (value_new_string ("N/A"))),
137 gnm_expr_new_constant (value_new_int (1)));
138 expr_time = gnm_expr_new_funcall3 (fd_if,
139 gnm_expr_new_funcall1 (fd_iserror,
140 gnm_expr_copy (expr_small)),
141 gnm_expr_new_constant (value_new_string ("")),
142 expr_small);
143
144 dao_set_cell_int (dao, 0, 2, 0);
145 for (row = 1; row < rows; row++)
146 dao_set_cell_array_expr (dao, 0, 2+row, gnm_expr_copy (expr_time));
147
148 gnm_expr_free (expr_time);
149
150
151
152 dao->offset_col++;
153
154 /* Repeated Info start */
155 for (i = 0; i < repetitions; i++) {
156 GnmExpr const *expr_group = NULL;
157
158 if (gl != NULL && gl->data != NULL) {
159 analysis_tools_kaplan_meier_group_t *gd = gl->data;
160 if (gd->name != NULL) {
161 dao_set_italic (dao, 0, 0, 0, 0);
162 dao_set_cell (dao, 0, 0, gd->name);
163
164 if (gd->group_from == gd->group_to)
165 expr_group = gnm_expr_new_funcall3
166 (fd_if,
167 gnm_expr_new_binary
168 (gnm_expr_copy (expr_group_data),
169 GNM_EXPR_OP_EQUAL,
170 gnm_expr_new_constant (value_new_int (gd->group_from))),
171 gnm_expr_new_constant (value_new_int (1)),
172 gnm_expr_new_constant (value_new_int (0)));
173 else
174 expr_group = gnm_expr_new_binary
175 (gnm_expr_new_funcall3
176 (fd_if,
177 gnm_expr_new_binary
178 (gnm_expr_copy (expr_group_data),
179 GNM_EXPR_OP_GTE,
180 gnm_expr_new_constant (value_new_int (gd->group_from))),
181 gnm_expr_new_constant (value_new_int (1)),
182 gnm_expr_new_constant (value_new_int (0))),
183 GNM_EXPR_OP_MULT,
184 gnm_expr_new_funcall3
185 (fd_if,
186 gnm_expr_new_binary
187 (gnm_expr_copy (expr_group_data),
188 GNM_EXPR_OP_LTE,
189 gnm_expr_new_constant (value_new_int (gd->group_to))),
190 gnm_expr_new_constant (value_new_int (1)),
191 gnm_expr_new_constant (value_new_int (0))));
192 }
193 }
194
195 if (expr_group == NULL)
196 expr_group = gnm_expr_new_constant (value_new_int (1));
197
198 dao_set_italic (dao, 0, 1, prob_col, 1);
199 if (info->censored)
200 set_cell_text_row (dao, 0, 1,
201 _("/At Risk"
202 "/Deaths"
203 "/Censures"
204 "/Probability"));
205 else
206 set_cell_text_row (dao, 0, 1,
207 _("/At Risk"
208 "/Deaths"
209 "/Probability"));
210 if (info->std_err) {
211 dao_set_italic (dao, std_err_col, 1, std_err_col, 1);
212 dao_set_cell (dao, std_err_col, 1, _("Standard Error"));
213 }
214
215 expr_at_risk = gnm_expr_new_funcall3
216 (fd_if,
217 gnm_expr_new_binary (make_cellref (-1-i*colspan, 0),
218 GNM_EXPR_OP_EQUAL,
219 gnm_expr_new_constant (value_new_string (""))),
220 gnm_expr_new_constant (value_new_string ("")),
221 gnm_expr_new_funcall1 (fd_sum,
222 gnm_expr_new_binary (
223 gnm_expr_new_funcall3
224 (fd_if,
225 gnm_expr_new_binary
226 (gnm_expr_copy (expr_data),
227 GNM_EXPR_OP_LT,
228 make_cellref (-1-i*colspan, 0)),
229 gnm_expr_new_constant (value_new_int (0)),
230 gnm_expr_new_constant (value_new_int (1))),
231 GNM_EXPR_OP_MULT,
232 gnm_expr_copy (expr_group))));
233
234 if (info->censored) {
235 GnmExpr const *expr_censor;
236
237 if (info->censor_mark == info->censor_mark_to)
238 expr_censor = gnm_expr_new_funcall3
239 (fd_if,
240 gnm_expr_new_binary
241 (gnm_expr_new_constant (value_dup (info->base.range_2)),
242 GNM_EXPR_OP_EQUAL,
243 gnm_expr_new_constant (value_new_int (info->censor_mark))),
244 gnm_expr_new_constant (value_new_int (1)),
245 gnm_expr_new_constant (value_new_int (0)));
246 else
247 expr_censor = gnm_expr_new_binary
248 (gnm_expr_new_funcall3
249 (fd_if,
250 gnm_expr_new_binary
251 (gnm_expr_new_constant (value_dup (info->base.range_2)),
252 GNM_EXPR_OP_GTE,
253 gnm_expr_new_constant (value_new_int (info->censor_mark))),
254 gnm_expr_new_constant (value_new_int (1)),
255 gnm_expr_new_constant (value_new_int (0))),
256 GNM_EXPR_OP_MULT,
257 gnm_expr_new_funcall3
258 (fd_if,
259 gnm_expr_new_binary
260 (gnm_expr_new_constant (value_dup (info->base.range_2)),
261 GNM_EXPR_OP_LTE,
262 gnm_expr_new_constant (value_new_int (info->censor_mark_to))),
263 gnm_expr_new_constant (value_new_int (1)),
264 gnm_expr_new_constant (value_new_int (0))));
265
266
267 expr_deaths = gnm_expr_new_funcall3
268 (fd_if,
269 gnm_expr_new_binary (make_cellref (-1, 0),
270 GNM_EXPR_OP_EQUAL,
271 gnm_expr_new_constant (value_new_string (""))),
272 gnm_expr_new_constant (value_new_string ("")),
273 gnm_expr_new_funcall1 (fd_sum,
274 gnm_expr_new_binary
275 (gnm_expr_copy (expr_group),
276 GNM_EXPR_OP_MULT,
277 gnm_expr_new_binary
278 (gnm_expr_new_funcall3
279 (fd_if,
280 gnm_expr_new_binary
281 (gnm_expr_copy (expr_data),
282 GNM_EXPR_OP_EQUAL,
283 make_cellref (-2-i*colspan, 0)),
284 gnm_expr_new_constant (value_new_int (1)),
285 gnm_expr_new_constant (value_new_int (0))),
286 GNM_EXPR_OP_MULT,
287 gnm_expr_new_binary
288 (gnm_expr_new_constant (value_new_int (1)),
289 GNM_EXPR_OP_SUB,
290 gnm_expr_copy (expr_censor))))));
291 expr_censures = gnm_expr_new_funcall3
292 (fd_if,
293 gnm_expr_new_binary (make_cellref (-1, 0),
294 GNM_EXPR_OP_EQUAL,
295 gnm_expr_new_constant (value_new_string (""))),
296 gnm_expr_new_constant (value_new_string ("")),
297 gnm_expr_new_funcall1 (fd_sum,
298 gnm_expr_new_binary
299 (gnm_expr_copy (expr_group),
300 GNM_EXPR_OP_MULT,
301 gnm_expr_new_binary
302 (gnm_expr_new_funcall3
303 (fd_if,
304 gnm_expr_new_binary
305 (gnm_expr_copy (expr_data),
306 GNM_EXPR_OP_EQUAL,
307 make_cellref (-3-i*colspan, 0)),
308 gnm_expr_new_constant (value_new_int (1)),
309 gnm_expr_new_constant (value_new_int (0))),
310 GNM_EXPR_OP_MULT,
311 expr_censor))));
312 } else
313 expr_deaths = gnm_expr_new_funcall3
314 (fd_if,
315 gnm_expr_new_binary (make_cellref (-1, 0),
316 GNM_EXPR_OP_EQUAL,
317 gnm_expr_new_constant (value_new_string (""))),
318 gnm_expr_new_constant (value_new_string ("")),
319 gnm_expr_new_funcall1 (fd_sum,
320 gnm_expr_new_binary
321 (gnm_expr_copy (expr_group),
322 GNM_EXPR_OP_MULT,
323 gnm_expr_new_funcall3
324 (fd_if,
325 gnm_expr_new_binary
326 (gnm_expr_copy (expr_data),
327 GNM_EXPR_OP_EQUAL,
328 make_cellref (-2-i*colspan, 0)),
329 gnm_expr_new_constant (value_new_int (1)),
330 gnm_expr_new_constant (value_new_int (0))))));
331
332 expr_prob_zero = gnm_expr_new_binary (gnm_expr_new_binary (make_cellref ( - prob_col, 0),
333 GNM_EXPR_OP_SUB,
334 make_cellref (1 - prob_col, 0)),
335 GNM_EXPR_OP_DIV,
336 make_cellref ( - prob_col, 0));
337 expr_prob = gnm_expr_new_funcall3 (fd_if,
338 gnm_expr_new_binary
339 (make_cellref (1 - prob_col, 0),
340 GNM_EXPR_OP_EQUAL,
341 gnm_expr_new_constant (value_new_string (""))),
342 gnm_expr_new_constant (value_new_string ("")),
343 gnm_expr_new_binary (gnm_expr_copy (expr_prob_zero),
344 GNM_EXPR_OP_MULT,
345 make_cellref (0, -1)));
346
347 if (info->std_err) {
348 expr_std_err = gnm_expr_new_funcall3 (fd_if,
349 gnm_expr_new_binary
350 (make_cellref (-1, 0),
351 GNM_EXPR_OP_EQUAL,
352 gnm_expr_new_constant (value_new_string (""))),
353 gnm_expr_new_constant (value_new_string ("")),
354 gnm_expr_new_binary (make_cellref (-1, 0),
355 GNM_EXPR_OP_MULT,
356 gnm_expr_new_funcall1
357 (fd_sqrt,
358 gnm_expr_new_binary
359 (gnm_expr_new_binary
360 (gnm_expr_new_constant
361 (value_new_int (1)),
362 GNM_EXPR_OP_SUB,
363 make_cellref (-1, 0)),
364 GNM_EXPR_OP_DIV,
365 make_cellref
366 ( - std_err_col, 0)))));
367
368 dao_set_format (dao, std_err_col, 2, std_err_col, rows + 1, "0.0000");
369 dao_set_cell_expr (dao, std_err_col, 2, gnm_expr_copy (expr_std_err));
370 }
371
372 dao_set_format (dao, prob_col, 2, prob_col, rows + 1, "0.00%");
373
374 dao_set_cell_array_expr (dao, 0, 2, gnm_expr_copy (expr_at_risk));
375 dao_set_cell_array_expr (dao, 1, 2, gnm_expr_copy (expr_deaths));
376 dao_set_cell_expr (dao, prob_col, 2, expr_prob_zero);
377
378 if (expr_censures != NULL)
379 dao_set_cell_array_expr (dao, 2, 2, gnm_expr_copy (expr_censures));
380
381 for (row = 1; row < rows; row++) {
382 dao_set_cell_array_expr (dao, 0, 2+row, gnm_expr_copy (expr_at_risk));
383 dao_set_cell_array_expr (dao, 1, 2+row, gnm_expr_copy (expr_deaths));
384 if (expr_censures != NULL)
385 dao_set_cell_array_expr (dao, 2, 2+row, gnm_expr_copy (expr_censures));
386 dao_set_cell_array_expr (dao, prob_col, 2+row, gnm_expr_copy (expr_prob));
387 if (info->std_err)
388 dao_set_cell_expr (dao, std_err_col, 2+row, gnm_expr_copy (expr_std_err));
389 }
390
391 gnm_expr_free (expr_at_risk);
392 gnm_expr_free (expr_deaths);
393 gnm_expr_free (expr_prob);
394 if (expr_censures != NULL) {
395 gnm_expr_free (expr_censures);
396 expr_censures = NULL;
397 }
398 if (expr_std_err != NULL) {
399 gnm_expr_free (expr_std_err);
400 expr_std_err = NULL;
401 }
402
403 /* Create Chart if requested */
404 if (info->chart) {
405 GogSeries *series;
406 GOData *probabilities;
407 GOStyle *style;
408
409 probabilities = dao_go_data_vector (dao, prob_col, 2, prob_col, 1+rows);
410
411 g_object_ref (times);
412 series = gog_plot_new_series (plot);
413 gog_series_set_dim (series, 0, times, NULL);
414 gog_series_set_dim (series, 1, probabilities, NULL);
415
416 style = go_styled_object_get_style (GO_STYLED_OBJECT (series));
417 style->marker.auto_shape = FALSE;
418 go_marker_set_shape (style->marker.mark, GO_MARKER_NONE);
419 go_styled_object_set_style (GO_STYLED_OBJECT (series), style);
420
421 if (info->censored && info->ticks) {
422 GOData *censures;
423 GnmExpr const *expr;
424
425 expr = gnm_expr_new_binary
426 (gnm_expr_new_binary (dao_get_rangeref (dao, prob_col, 2, prob_col, 1+rows),
427 GNM_EXPR_OP_DIV,
428 dao_get_rangeref (dao, 2, 2, 2, 1+rows)),
429 GNM_EXPR_OP_MULT,
430 dao_get_rangeref (dao, 2, 2, 2, 1+rows));
431
432 censures = gnm_go_data_vector_new_expr (dao->sheet, gnm_expr_top_new (expr));
433
434 series = gog_plot_new_series (plot);
435 g_object_ref (times);
436 gog_series_set_dim (series, 0, times, NULL);
437 gog_series_set_dim (series, 1, censures, NULL);
438
439 style = go_styled_object_get_style (GO_STYLED_OBJECT (series));
440 style->marker.auto_shape = FALSE;
441 go_marker_set_shape (style->marker.mark, GO_MARKER_TRIANGLE_DOWN);
442 style->line.dash_type = GO_LINE_NONE;
443 style->line.auto_dash = FALSE;
444 style->line.width = 0;
445 go_styled_object_set_style (GO_STYLED_OBJECT (series), style);
446 }
447 }
448
449 gnm_expr_free (expr_group);
450
451 dao->offset_col += colspan;
452 if (gl != NULL)
453 gl = gl->next;
454 }
455 /* End of Loop */
456
457 if (info->chart) {
458 so = sheet_object_graph_new (graph);
459 g_object_unref (graph);
460 g_object_unref (times);
461
462 dao_set_sheet_object (dao, 0, 1, so);
463 }
464
465 if (info->median) {
466 dao_set_italic (dao, 1, 1, 1, 1);
467 dao_set_cell (dao, 1, 1, _("Median"));
468
469 dao->offset_col += 2;
470 gl = info->group_list;
471
472 for (i = 0; i < repetitions; i++) {
473 /* the next involves (colspan-1) since the median field moves to the right. */
474 gint prob_dx = - (repetitions - i)* (colspan - 1) - 1;
475 gint times_dx = - colspan * repetitions - i - 3;
476 GnmExpr const *expr_median;
477
478 dao_set_italic (dao, 0, 0, 0, 0);
479
480 if (gl != NULL && gl->data != NULL) {
481 analysis_tools_kaplan_meier_group_t *gd = gl->data;
482 if (gd->name != NULL) {
483 dao_set_cell (dao, 0, 0, gd->name);
484 }
485 gl = gl->next;
486 }
487
488 expr_prob = gnm_expr_new_binary
489 (gnm_expr_new_funcall3
490 (fd_if,
491 gnm_expr_new_binary
492 (make_rangeref(prob_dx, 1, prob_dx, rows),
493 GNM_EXPR_OP_GT,
494 gnm_expr_new_constant (value_new_float (0.5))),
495 gnm_expr_new_constant (value_new_string ("NA")),
496 gnm_expr_new_constant (value_new_int (1))),
497 GNM_EXPR_OP_MULT,
498 make_rangeref (times_dx, 1, times_dx, rows));
499
500 expr_median = gnm_expr_new_funcall1
501 (fd_min,
502 gnm_expr_new_funcall3
503 (fd_if,
504 gnm_expr_new_funcall1
505 (fd_iserror,
506 gnm_expr_copy (expr_prob)),
507 gnm_expr_new_constant (value_new_string ("NA")),
508 expr_prob));
509
510 dao_set_cell_array_expr (dao, 0, 1,expr_median);
511
512 dao->offset_col += 1;
513 }
514 logrank_test_y_offset = 5;
515 dao->offset_col -= (2 + repetitions);
516 }
517
518 if (info->logrank_test) {
519 GnmFunc *fd_chidist;
520 GnmExpr const *expr_statistic = gnm_expr_new_constant (value_new_int (0));
521 GnmExpr const *expr_p;
522 GnmExpr const *expr_n_total = gnm_expr_new_constant (value_new_int (0));
523 GnmExpr const *expr_death_total = gnm_expr_new_constant (value_new_int (0));
524
525 fd_chidist = gnm_func_lookup_or_add_placeholder ("CHIDIST");
526 gnm_func_inc_usage (fd_chidist);
527
528 dao_set_italic (dao, 1, logrank_test_y_offset, 1, logrank_test_y_offset+3);
529 set_cell_text_col (dao, 1, logrank_test_y_offset,
530 _("/Log-Rank Test"
531 "/Statistic"
532 "/Degrees of Freedom"
533 "/p-Value"));
534
535 /* Test Statistic */
536 for (i = 0; i < repetitions; i++) {
537 gint atrisk_dx = - (repetitions - i)* colspan - 2;
538 expr_n_total = gnm_expr_new_binary
539 (expr_n_total, GNM_EXPR_OP_ADD,
540 make_rangeref ( atrisk_dx,
541 - logrank_test_y_offset + 1,
542 atrisk_dx,
543 - logrank_test_y_offset + rows));
544 expr_death_total = gnm_expr_new_binary
545 (expr_death_total, GNM_EXPR_OP_ADD,
546 make_rangeref ( atrisk_dx + 1,
547 - logrank_test_y_offset + 1,
548 atrisk_dx + 1,
549 - logrank_test_y_offset + rows));
550 }
551
552 for (i = 0; i < repetitions; i++) {
553 GnmExpr const *expr_expect;
554 gint atrisk_dx = - (repetitions - i)* colspan - 2;
555
556 expr_expect = gnm_expr_new_binary
557 (gnm_expr_new_binary
558 (gnm_expr_copy (expr_death_total),
559 GNM_EXPR_OP_MULT,
560 make_rangeref (atrisk_dx,
561 - logrank_test_y_offset + 1,
562 atrisk_dx,
563 - logrank_test_y_offset + rows)),
564 GNM_EXPR_OP_DIV,
565 gnm_expr_copy (expr_n_total));
566
567 expr_expect = gnm_expr_new_funcall3 (
568 fd_if,
569 gnm_expr_new_funcall1 (fd_iserror,
570 gnm_expr_copy (expr_expect)),
571 gnm_expr_new_constant (value_new_int (0)),
572 expr_expect);
573 expr_expect = gnm_expr_new_funcall1 (fd_sum,
574 expr_expect);
575 expr_expect = gnm_expr_new_binary (
576 gnm_expr_new_binary (
577 gnm_expr_new_binary (
578 gnm_expr_new_funcall1 (
579 fd_sum,
580 make_rangeref
581 (atrisk_dx + 1,
582 - logrank_test_y_offset + 1,
583 atrisk_dx + 1,
584 - logrank_test_y_offset + rows)),
585 GNM_EXPR_OP_SUB,
586 gnm_expr_copy (expr_expect)),
587 GNM_EXPR_OP_EXP,
588 gnm_expr_new_constant (value_new_int (2))),
589 GNM_EXPR_OP_DIV,
590 expr_expect);
591 expr_statistic = gnm_expr_new_binary (
592 expr_statistic, GNM_EXPR_OP_ADD, expr_expect);
593 }
594 gnm_expr_free (expr_n_total);
595 gnm_expr_free (expr_death_total);
596
597 dao_set_cell_array_expr (dao, 2, logrank_test_y_offset + 1, expr_statistic);
598
599 /* Degree of Freedoms */
600 dao_set_cell_int (dao, 2, logrank_test_y_offset + 2, repetitions - 1);
601
602 /* p Value */
603 expr_p = gnm_expr_new_funcall2 (fd_chidist,
604 make_cellref (0,-2),
605 make_cellref (0,-1));
606 dao_set_cell_expr (dao, 2, logrank_test_y_offset + 3, expr_p);
607
608 gnm_func_dec_usage (fd_chidist);
609 }
610
611
612
613
614
615 gnm_expr_free (expr_data);
616 if (expr_group_data != NULL)
617 gnm_expr_free (expr_group_data);
618
619 gnm_func_dec_usage (fd_small);
620 gnm_func_dec_usage (fd_if);
621 gnm_func_dec_usage (fd_iserror);
622 gnm_func_dec_usage (fd_sum);
623 if (fd_sqrt != NULL)
624 gnm_func_dec_usage (fd_sqrt);
625 if (fd_min != NULL)
626 gnm_func_dec_usage (fd_min);
627
628 dao_redraw_respan (dao);
629
630 return FALSE;
631 }
632
633 static void
634 analysis_tool_kaplan_meier_clear_gl_cb (gpointer data, G_GNUC_UNUSED gpointer user_data)
635 {
636 analysis_tools_kaplan_meier_group_t *group = data;
637
638 g_return_if_fail (data != NULL);
639
640 g_free (group->name);
641 g_free (group);
642 }
643
644 gboolean
645 analysis_tool_kaplan_meier_engine (G_GNUC_UNUSED GOCmdContext *gcc, data_analysis_output_t *dao, gpointer specs,
646 analysis_tool_engine_t selector, gpointer result)
647 {
648 analysis_tools_data_kaplan_meier_t *info = specs;
649 int multiple;
650 int median;
651
652 switch (selector) {
653 case TOOL_ENGINE_UPDATE_DESCRIPTOR:
654 return (dao_command_descriptor (dao,
655 _("Kaplan-Meier (%s)"),
656 result)
657 == NULL);
658 case TOOL_ENGINE_UPDATE_DAO:
659 multiple = ((info->group_list == NULL) ? 1 : g_slist_length (info->group_list));
660 median = (info->median ? (2 + multiple) : 0);
661 if (median == 0 && info->logrank_test)
662 median = 3;
663 dao_adjust (dao, median + 1 + multiple * ((info->std_err ? 4 : 3) + (info->censored ? 1 : 0)),
664 info->base.range_1->v_range.cell.b.row
665 - info->base.range_1->v_range.cell.a.row + 3);
666 return FALSE;
667 case TOOL_ENGINE_CLEAN_UP:
668 value_release (info->range_3);
669 info->range_3 = NULL;
670 g_slist_foreach (info->group_list, analysis_tool_kaplan_meier_clear_gl_cb, NULL);
671 g_slist_free (info->group_list);
672 info->group_list = NULL;
673 return analysis_tool_generic_b_clean (specs);
674 case TOOL_ENGINE_LAST_VALIDITY_CHECK:
675 return FALSE;
676 case TOOL_ENGINE_PREPARE_OUTPUT_RANGE:
677 dao_prepare_output (NULL, dao, _("Kaplan-Meier Estimates"));
678 return FALSE;
679 case TOOL_ENGINE_FORMAT_OUTPUT_RANGE:
680 return dao_format_output (dao, _("Kaplan-Meier Estimates"));
681 case TOOL_ENGINE_PERFORM_CALC:
682 default:
683 return analysis_tool_kaplan_meier_engine_run (dao, specs);
684 }
685 return TRUE;
686 }
687
688
689
690
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