/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2007, 2009, 2010 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
#include <libpspp/str.h>
#include <math/histogram.h>
#include <math/moments.h>
-#include <output/chart.h>
+#include <output/chart-item.h>
#include <output/charts/piechart.h>
#include <output/charts/plot-hist.h>
-#include <output/manager.h>
-#include <output/output.h>
-#include <output/table.h>
+#include <output/tab.h>
#include "freq.h"
- if ( chart == GFT_HIST && var_is_numeric (v) )
+ if ( chart == GFT_HIST && var_is_numeric (v) && ft->n_valid > 0)
{
double d[frq_n_stats];
struct histogram *hist ;
hist = freq_tab_to_hist (ft,v);
- chart_submit (histogram_chart_create (
- hist, var_to_string(v),
- vf->tab.valid_cases,
- d[frq_mean],
- d[frq_stddev],
- normal));
+ chart_item_submit (histogram_chart_create (
+ hist->gsl_hist, var_to_string(v),
+ vf->tab.valid_cases,
+ d[frq_mean],
+ d[frq_stddev],
+ normal));
statistic_destroy (&hist->parent);
}
\f
/* Frequency table display. */
-struct full_dim_aux
- {
- bool show_labels;
- };
-
-/* Sets the widths of all the columns and heights of all the rows in
- table T for driver D. */
-static void
-full_dim (struct tab_rendering *r, void *aux_)
-{
- const struct outp_driver *d = r->driver;
- const struct tab_table *t = r->table;
- const struct full_dim_aux *aux = aux_;
- int i;
-
- for (i = 0; i < tab_nc (t); i++)
- {
- r->w[i] = tab_natural_width (r, i);
- if (aux->show_labels && i == 0)
- r->w[i] = MIN (r->w[i], d->prop_em_width * 15);
- else
- r->w[i] = MAX (r->w[i], d->prop_em_width * 8);
- }
-
- for (i = 0; i < tab_nr (t); i++)
- r->h[i] = d->font_height;
-}
-
-static void
-full_dim_free (void *aux_)
-{
- struct full_dim_aux *aux = aux_;
- free (aux);
-}
-
/* Displays a full frequency table for variable V. */
static void
dump_full (const struct variable *v, const struct variable *wv)
const bool lab = (cmd.labels == FRQ_LABELS);
- struct full_dim_aux *aux;
-
vf = get_var_freqs (v);
ft = &vf->tab;
n_categories = ft->n_valid + ft->n_missing;
t = tab_create (5 + lab, n_categories + 2);
tab_headers (t, 0, 0, 1, 0);
- aux = xmalloc (sizeof *aux);
- aux->show_labels = lab;
- tab_dim (t, full_dim, full_dim_free, aux);
-
if (lab)
tab_text (t, 0, 0, TAB_CENTER | TAT_TITLE, _("Value Label"));
tab_submit (t);
}
-/* Sets the widths of all the columns and heights of all the rows in
- table T for driver D. */
-static void
-condensed_dim (struct tab_rendering *r, void *aux UNUSED)
-{
- struct outp_driver *d = r->driver;
- const struct tab_table *t = r->table;
-
- int cum_width = outp_string_width (d, _("Cum"), OUTP_PROPORTIONAL);
- int zeros_width = outp_string_width (d, "000", OUTP_PROPORTIONAL);
- int max_width = MAX (cum_width, zeros_width);
-
- int i;
-
- for (i = 0; i < 2; i++)
- {
- r->w[i] = tab_natural_width (r, i);
- r->w[i] = MAX (r->w[i], d->prop_em_width * 8);
- }
- for (i = 2; i < 4; i++)
- r->w[i] = max_width;
- for (i = 0; i < tab_nr (t); i++)
- r->h[i] = d->font_height;
-}
-
/* Display condensed frequency table for variable V. */
static void
dump_condensed (const struct variable *v, const struct variable *wv)
tab_text (t, 2, 1, TAB_CENTER | TAT_TITLE, _("Pct"));
tab_text (t, 3, 0, TAB_CENTER | TAT_TITLE, _("Cum"));
tab_text (t, 3, 1, TAB_CENTER | TAT_TITLE, _("Pct"));
- tab_dim (t, condensed_dim, NULL, NULL);
r = 2;
for (f = ft->valid; f < ft->missing; f++)
0, 0, 3, r - 1);
tab_hline (t, TAL_2, 0, 3, 2);
tab_title (t, "%s", var_to_string (v));
- tab_columns (t, SOM_COL_DOWN);
tab_submit (t);
}
\f
/* Calculate percentiles. */
+ assert (ft->n_valid > 0);
+
for (i = 0; i < n_percentiles; i++)
{
percentiles[i].flag = 0;
calc_stats (v, stat_value);
t = tab_create (3, n_stats + n_percentiles + 2);
- tab_dim (t, tab_natural_dimensions, NULL, NULL);
tab_box (t, TAL_1, TAL_1, -1, -1 , 0 , 0 , 2, tab_nr(t) - 1) ;
var_get_print_format (v));
}
- tab_columns (t, SOM_COL_DOWN);
if (show_varname)
tab_title (t, "%s", var_to_string (v));
- else
- tab_flags (t, SOMF_NO_TITLE);
tab_submit (t);
double x_max = -DBL_MAX;
struct histogram *hist;
- const double bins = 11;
+ int bins;
struct hsh_iterator hi;
struct hsh_table *fh = ft->data;
if ( frq->value.f > x_max ) x_max = frq->value.f ;
}
+ /* Sturges' formula. */
+ bins = ceil (log (ft->valid_cases) / log (2) + 1);
+ if (bins < 5)
+ bins = 5;
+
hist = histogram_create (bins, x_min, x_max);
for( i = 0 ; i < ft->n_valid ; ++i )
slices = freq_tab_to_slice_array(frq_tab, var, &n_slices);
- chart_submit (piechart_create (var_to_string(var), slices, n_slices));
+ chart_item_submit (piechart_create (var_to_string(var), slices, n_slices));
for (i = 0 ; i < n_slices ; ++i )
ds_destroy (&slices[i].label);