X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fmath%2Fbox-whisker.c;h=fb5c2c62a21fefe6842f820ef6599c4e05bbf3c7;hb=f1cb9492fb8af446458607158c9cd01ad85a6768;hp=288fc072ef119ccb2c49b2001a015a34834378ad;hpb=c3ac5a8af9c449072c7e872ca70a78c1755ae309;p=pspp
diff --git a/src/math/box-whisker.c b/src/math/box-whisker.c
index 288fc072ef..fb5c2c62a2 100644
--- a/src/math/box-whisker.c
+++ b/src/math/box-whisker.c
@@ -1,5 +1,5 @@
/* PSPP - a program for statistical analysis.
- Copyright (C) 2008 Free Software Foundation, Inc.
+ Copyright (C) 2008, 2009, 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -15,23 +15,28 @@
along with this program. If not, see . */
#include
+
#include "box-whisker.h"
-#include "order-stats.h"
-#include "tukey-hinges.h"
-#include
-#include
+
#include
#include
-#include
-#include
-#include
-#include
+
+#include "data/case.h"
+#include "data/val-type.h"
+#include "data/variable.h"
+#include "libpspp/assertion.h"
+#include "libpspp/cast.h"
+#include "libpspp/str.h"
+#include "math/order-stats.h"
+#include "math/tukey-hinges.h"
+
+#include "gl/xalloc.h"
static void
destroy (struct statistic *s)
{
- struct order_stats *os = (struct order_stats *) s;
- struct box_whisker *bw = (struct box_whisker *) s;
+ struct box_whisker *bw = UP_CAST (s, struct box_whisker, parent.parent);
+ struct order_stats *os = &bw->parent;
struct ll *ll;
for (ll = ll_head (&bw->outliers); ll != ll_null (&bw->outliers); )
@@ -53,7 +58,7 @@ static void
acc (struct statistic *s, const struct ccase *cx,
double c UNUSED, double cc UNUSED, double y)
{
- struct box_whisker *bw = (struct box_whisker *) s;
+ struct box_whisker *bw = UP_CAST (s, struct box_whisker, parent.parent);
bool extreme;
struct outlier *o;
@@ -77,14 +82,9 @@ acc (struct statistic *s, const struct ccase *cx,
o->extreme = extreme;
ds_init_empty (&o->label);
- if (bw->id_var)
- var_append_value_name (bw->id_var,
- case_data (cx, bw->id_var),
- &o->label);
- else
- ds_put_format (&o->label,
+ ds_put_format (&o->label,
"%ld",
- (casenumber) case_data_idx (cx, bw->casenumber_idx)->f);
+ (casenumber) case_data_idx (cx, bw->casenumber_idx)->f);
ll_push_head (&bw->outliers, &o->ll);
}
@@ -110,13 +110,21 @@ box_whisker_outliers (const struct box_whisker *bw)
return &bw->outliers;
}
-struct statistic *
+/*
+ Create a box_whisker struct, suitable for generating a boxplot.
+
+ TH are the tukey hinges of the dataset.
+
+ Casenumber_idx is the index into the casereader which will be used to label
+ outliers.
+*/
+struct box_whisker *
box_whisker_create (const struct tukey_hinges *th,
- const struct variable *id_var, size_t casenumber_idx)
+ size_t casenumber_idx)
{
struct box_whisker *w = xzalloc (sizeof (*w));
- struct order_stats *os = (struct order_stats *) w;
- struct statistic *stat = (struct statistic *) w;
+ struct order_stats *os = &w->parent;
+ struct statistic *stat = &os->parent;
os->n_k = 0;
@@ -126,7 +134,6 @@ box_whisker_create (const struct tukey_hinges *th,
tukey_hinges_calculate (th, w->hinges);
w->casenumber_idx = casenumber_idx;
- w->id_var = id_var;
w->step = (w->hinges[2] - w->hinges[0]) * 1.5;
@@ -135,5 +142,5 @@ box_whisker_create (const struct tukey_hinges *th,
ll_init (&w->outliers);
- return stat;
+ return w;
}