X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=inline;f=src%2Fmath%2Fbox-whisker.c;h=0d893cb80c14d98e4b7bf3c24c5603b4d23c5d27;hb=refs%2Fbuilds%2F20131017030503%2Fpspp;hp=de4124efe16c5beb799c7b5d0b2af42743ff79d7;hpb=8b71948cd57dbd2787cb4c50525b957e9be8a62b;p=pspp
diff --git a/src/math/box-whisker.c b/src/math/box-whisker.c
index de4124efe1..0d893cb80c 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, 2009 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
@@ -15,18 +15,23 @@
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
+
+#include "data/case.h"
+#include "data/data-out.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)
@@ -79,13 +84,20 @@ acc (struct statistic *s, const struct ccase *cx,
ds_init_empty (&o->label);
if (bw->id_var)
- var_append_value_name (bw->id_var,
- case_data (cx, bw->id_var),
- &o->label);
+ {
+ char *s = data_out (case_data_idx (cx, bw->id_idx),
+ var_get_encoding (bw->id_var),
+ var_get_print_format (bw->id_var));
+
+ ds_put_cstr (&o->label, s);
+ free (s);
+ }
else
- ds_put_format (&o->label,
- "%ld",
- (casenumber) case_data_idx (cx, bw->casenumber_idx)->f);
+ {
+ ds_put_format (&o->label,
+ "%ld",
+ (casenumber) case_data_idx (cx, bw->id_idx)->f);
+ }
ll_push_head (&bw->outliers, &o->ll);
}
@@ -111,9 +123,18 @@ box_whisker_outliers (const struct box_whisker *bw)
return &bw->outliers;
}
+/*
+ Create a box_whisker struct, suitable for generating a boxplot.
+
+ TH are the tukey hinges of the dataset.
+
+ id_idx is the index into the casereader which will be used to label
+ outliers.
+ id_var is the variable from which that label came, or NULL
+*/
struct box_whisker *
box_whisker_create (const struct tukey_hinges *th,
- const struct variable *id_var, size_t casenumber_idx)
+ size_t id_idx, const struct variable *id_var)
{
struct box_whisker *w = xzalloc (sizeof (*w));
struct order_stats *os = &w->parent;
@@ -126,7 +147,7 @@ box_whisker_create (const struct tukey_hinges *th,
tukey_hinges_calculate (th, w->hinges);
- w->casenumber_idx = casenumber_idx;
+ w->id_idx = id_idx;
w->id_var = id_var;
w->step = (w->hinges[2] - w->hinges[0]) * 1.5;