#include "gl/xalloc.h"
-#include "gettext.h"
-#define _(msgid) gettext (msgid)
-#define N_(msgid) msgid
-
-const char *const ptile_alg_desc[] = {
- "",
- N_("HAverage"),
- N_("Weighted Average"),
- N_("Rounded"),
- N_("Empirical"),
- N_("Empirical with averaging")
-};
-
-
-
double
percentile_calculate (const struct percentile *ptl, enum pc_alg alg)
{
struct percentile *mutable = CONST_CAST (struct percentile *, ptl);
const struct order_stats *os = &ptl->parent;
- if ( ptl->g1 == SYSMIS)
+ if (ptl->g1 == SYSMIS)
mutable->g1 = (os->k[0].tc - os->k[0].cc) / os->k[0].c_p1;
- if ( ptl->g1_star == SYSMIS)
+ if (ptl->g1_star == SYSMIS)
mutable->g1_star = os->k[0].tc - os->k[0].cc;
- if ( ptl->g2 == SYSMIS)
+ if (ptl->g2 == SYSMIS)
{
- if ( os->k[1].c == 0 )
+ if (os->k[1].c == 0)
mutable->g2 = os->k[1].tc / os->k[1].c_p1;
- else if ( os->k[1].c_p1 == 0 )
+ else if (os->k[1].c_p1 == 0)
mutable->g2 = 0;
else
mutable->g2 = (os->k[1].tc - os->k[1].cc) / os->k[1].c_p1;
}
- if ( ptl->g2_star == SYSMIS)
+ if (ptl->g2_star == SYSMIS)
{
- if ( os->k[1].c == 0 )
+ if (os->k[1].c == 0)
mutable->g2_star = os->k[1].tc;
- else if ( os->k[1].c_p1 == 0 )
+ else if (os->k[1].c_p1 == 0)
mutable->g2_star = 0;
else
mutable->g2_star = os->k[1].tc - os->k[1].cc;
switch (alg)
{
case PC_WAVERAGE:
- if ( ptl->g1_star >= 1.0)
+ if (ptl->g1_star >= 1.0)
return os->k[0].y_p1;
else
{
- double a = ( os->k[0].y == SYSMIS ) ? 0 : os->k[0].y;
+ double a = (os->k[0].y == SYSMIS) ? 0 : os->k[0].y;
if (os->k[0].c_p1 >= 1.0)
return (1 - ptl->g1_star) * a + ptl->g1_star * os->k[0].y_p1;
case PC_ROUND:
{
- double a = ( os->k[0].y == SYSMIS ) ? 0 : os->k[0].y;
+ double a = (os->k[0].y == SYSMIS) ? 0 : os->k[0].y;
if (os->k[0].c_p1 >= 1.0)
return (ptl->g1_star < 0.5) ? a : os->k[0].y_p1;
break;
case PC_EMPIRICAL:
- if ( ptl->g1_star == 0 )
+ if (ptl->g1_star == 0)
return os->k[0].y;
else
return os->k[0].y_p1;
break;
case PC_HAVERAGE:
- if ( ptl->g2_star >= 1.0)
+ if (ptl->g2_star >= 1.0)
{
return os->k[1].y_p1;
}
else
{
- double a = ( os->k[1].y == SYSMIS ) ? 0 : os->k[1].y;
+ double a = (os->k[1].y == SYSMIS) ? 0 : os->k[1].y;
- if ( os->k[1].c_p1 >= 1.0)
+ if (os->k[1].c_p1 >= 1.0)
{
- if ( ptl->g2_star == 0)
+ if (ptl->g2_star == 0)
return os->k[1].y;
return (1 - ptl->g2_star) * a + ptl->g2_star * os->k[1].y_p1;
break;
case PC_AEMPIRICAL:
- if ( ptl->g1_star == 0 )
+ if (ptl->g1_star == 0)
return (os->k[0].y + os->k[0].y_p1)/ 2.0;
else
return os->k[0].y_p1;
struct percentile *
percentile_create (double p, double W)
{
- struct percentile *ptl = xzalloc (sizeof (*ptl));
+ struct percentile *ptl = XZALLOC (struct percentile);
struct order_stats *os = &ptl->parent;
struct statistic *stat = &os->parent;