-/* PSPP - computes sample statistics.
+/* PSPP - a program for statistical analysis.
Copyright (C) 2004 Free Software Foundation, Inc.
- Written by John Darrington <john@darrington.wattle.id.au>
- 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 the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+#include <config.h>
+
#include <math.h>
#include <assert.h>
#include <libpspp/misc.h>
* If EXTREME is non zero, then consider it to be an extreme
* value
*/
-void
-draw_outlier(struct chart *ch, double centreline,
- struct weighted_value **wvp,
+void
+draw_outlier(struct chart *ch, double centreline,
+ struct weighted_value **wvp,
int idx,
short extreme);
-void
-draw_outlier(struct chart *ch, double centreline,
- struct weighted_value **wvp,
+void
+draw_outlier(struct chart *ch, double centreline,
+ struct weighted_value **wvp,
int idx,
short extreme
)
pl_fmarker_r(ch->lp,
centreline,
- ch->data_bottom +
+ ch->data_bottom +
(wvp[idx]->v.f - ch->y_min ) * ch->ordinate_scale,
extreme?MARKER_STAR:MARKER_CIRCLE,
20);
pl_moverel_r(ch->lp, 10,0);
snprintf(label, 10, "%d", wvp[idx]->case_nos->num);
-
+
pl_alabel_r(ch->lp, 'l', 'c', label);
}
-void
+void
boxplot_draw_boxplot(struct chart *ch,
- double box_centre,
+ double box_centre,
double box_width,
struct metrics *m,
const char *name)
const double box_right = box_centre + box_width / 2.0;
- const double box_bottom =
+ const double box_bottom =
ch->data_bottom + ( hinge[0] - ch->y_min ) * ch->ordinate_scale;
- const double box_top =
+ const double box_top =
ch->data_bottom + ( hinge[2] - ch->y_min ) * ch->ordinate_scale;
assert(m);
/* Can't really draw a boxplot if there's no data */
- if ( n_data == 0 )
+ if ( n_data == 0 )
return ;
whisker[1] = hinge[2];
whisker[0] = wvp[0]->v.f;
- for ( i = 0 ; i < n_data ; ++i )
+ for ( i = 0 ; i < n_data ; ++i )
{
- if ( hinge[2] + step > wvp[i]->v.f)
+ if ( hinge[2] + step > wvp[i]->v.f)
whisker[1] = wvp[i]->v.f;
- if ( hinge[0] - step > wvp[i]->v.f)
+ if ( hinge[0] - step > wvp[i]->v.f)
whisker[0] = wvp[i]->v.f;
-
+
}
-
+
{
- const double bottom_whisker =
+ const double bottom_whisker =
ch->data_bottom + ( whisker[0] - ch->y_min ) * ch->ordinate_scale;
- const double top_whisker =
+ const double top_whisker =
ch->data_bottom + ( whisker[1] - ch->y_min ) * ch->ordinate_scale;
-
+
pl_savestate_r(ch->lp);
pl_savestate_r(ch->lp);
pl_fillcolorname_r(ch->lp,ch->fill_colour);
pl_filltype_r(ch->lp,1);
- pl_fbox_r(ch->lp,
+ pl_fbox_r(ch->lp,
box_left,
box_bottom,
box_right,
pl_restorestate_r(ch->lp);
-
+
/* Draw the median */
pl_savestate_r(ch->lp);
pl_linewidth_r(ch->lp,5);
- pl_fline_r(ch->lp,
- box_left,
+ pl_fline_r(ch->lp,
+ box_left,
ch->data_bottom + ( hinge[1] - ch->y_min ) * ch->ordinate_scale,
- box_right,
+ box_right,
ch->data_bottom + ( hinge[1] - ch->y_min ) * ch->ordinate_scale);
pl_restorestate_r(ch->lp);
/* Draw the bottom whisker */
- pl_fline_r(ch->lp,
- box_left,
+ pl_fline_r(ch->lp,
+ box_left,
bottom_whisker,
- box_right,
+ box_right,
bottom_whisker);
/* Draw top whisker */
- pl_fline_r(ch->lp,
- box_left,
+ pl_fline_r(ch->lp,
+ box_left,
top_whisker,
- box_right,
+ box_right,
top_whisker);
/* Draw centre line.
(bottom half) */
- pl_fline_r(ch->lp,
+ pl_fline_r(ch->lp,
box_centre, bottom_whisker,
box_centre, box_bottom);
/* (top half) */
- pl_fline_r(ch->lp,
+ pl_fline_r(ch->lp,
box_centre, top_whisker,
box_centre, box_top);
}
/* Draw outliers */
- for ( i = 0 ; i < n_data ; ++i )
+ for ( i = 0 ; i < n_data ; ++i )
{
- if ( wvp[i]->v.f >= hinge[2] + step )
- draw_outlier(ch, box_centre, wvp, i,
- ( wvp[i]->v.f > hinge[2] + 2 * step )
+ if ( wvp[i]->v.f >= hinge[2] + step )
+ draw_outlier(ch, box_centre, wvp, i,
+ ( wvp[i]->v.f > hinge[2] + 2 * step )
);
- if ( wvp[i]->v.f <= hinge[0] - step )
- draw_outlier(ch, box_centre, wvp, i,
+ if ( wvp[i]->v.f <= hinge[0] - step )
+ draw_outlier(ch, box_centre, wvp, i,
( wvp[i]->v.f < hinge[0] - 2 * step )
);
}
double y_tick;
double d;
- if ( !ch )
+ if ( !ch )
return ;
ch->y_max = y_max;
y_tick = chart_rounded_tick(fabs(ch->y_max - ch->y_min) / 5.0);
ch->y_min = (ceil( ch->y_min / y_tick ) - 1.0 ) * y_tick;
-
+
ch->y_max = ( floor( ch->y_max / y_tick ) + 1.0 ) * y_tick;
- ch->ordinate_scale = fabs(ch->data_top - ch->data_bottom)
+ ch->ordinate_scale = fabs(ch->data_top - ch->data_bottom)
/ fabs(ch->y_max - ch->y_min) ;
/* Move to data bottom-left */
- pl_move_r(ch->lp,
+ pl_move_r(ch->lp,
ch->data_left, ch->data_bottom);
for ( d = ch->y_min; d <= ch->y_max ; d += y_tick )
projects / pspp-builds.git / blobdiff