#include "libpspp/str.h"
#include "math/moments.h"
#include "output/pivot-table.h"
-#include "output/text-item.h"
+#include "output/output-item.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
/* Create a default Scale */
reliability.n_sc = 1;
- reliability.sc = xzalloc (sizeof (struct cronbach) * reliability.n_sc);
+ reliability.sc = xcalloc (reliability.n_sc, sizeof (struct cronbach));
ds_assign_cstr (&reliability.scale_name, "ANY");
c = &reliability.sc[0];
c->n_items = reliability.n_variables;
- c->items = xzalloc (sizeof (struct variable*) * c->n_items);
+ c->items = xcalloc (c->n_items, sizeof (struct variable*));
for (i = 0 ; i < c->n_items ; ++i)
c->items[i] = reliability.variables[i];
if (lex_match_id (lexer, "SCALE"))
{
struct const_var_set *vs;
- if ( ! lex_force_match (lexer, T_LPAREN))
+ if (! lex_force_match (lexer, T_LPAREN))
goto error;
- if ( ! lex_force_string (lexer) )
+ if (! lex_force_string (lexer))
goto error;
ds_assign_substring (&reliability.scale_name, lex_tokss (lexer));
lex_get (lexer);
- if ( ! lex_force_match (lexer, T_RPAREN))
+ if (! lex_force_match (lexer, T_RPAREN))
goto error;
lex_match (lexer, T_EQUALS);
reliability.model = MODEL_SPLIT;
reliability.split_point = -1;
- if ( lex_match (lexer, T_LPAREN)
+ if (lex_match (lexer, T_LPAREN)
&& lex_force_num (lexer))
{
reliability.split_point = lex_number (lexer);
}
}
- if ( reliability.model == MODEL_SPLIT)
+ if (reliability.model == MODEL_SPLIT)
{
int i;
const struct cronbach *s;
- if ( reliability.split_point >= reliability.n_variables)
+ if (reliability.split_point >= reliability.n_variables)
{
msg (ME, _("The split point must be less than the number of variables"));
goto error;
(reliability.split_point == -1) ? s->n_items / 2 : reliability.split_point;
reliability.sc[2].n_items = s->n_items - reliability.sc[1].n_items;
- reliability.sc[1].items = xzalloc (sizeof (struct variable *)
- * reliability.sc[1].n_items);
-
- reliability.sc[2].items = xzalloc (sizeof (struct variable *) *
- reliability.sc[2].n_items);
+ reliability.sc[1].items = XCALLOC (reliability.sc[1].n_items, const struct variable *);
+ reliability.sc[2].items = XCALLOC (reliability.sc[2].n_items, const struct variable *);
for (i = 0; i < reliability.sc[1].n_items ; ++i)
reliability.sc[1].items[i] = s->items[i];
}
}
- if ( reliability.summary & SUMMARY_TOTAL)
+ if (reliability.summary & SUMMARY_TOTAL)
{
int i;
const int base_sc = reliability.n_sc;
reliability.sc = xrealloc (reliability.sc, sizeof (struct cronbach) * reliability.n_sc);
- for (i = 0 ; i < reliability.sc[0].n_items; ++i )
+ for (i = 0 ; i < reliability.sc[0].n_items; ++i)
{
int v_src;
int v_dest = 0;
struct cronbach *s = &reliability.sc[i + base_sc];
s->n_items = reliability.sc[0].n_items - 1;
- s->items = xzalloc (sizeof (struct variable *) * s->n_items);
+ s->items = xcalloc (s->n_items, sizeof (struct variable *));
for (v_src = 0 ; v_src < reliability.sc[0].n_items ; ++v_src)
{
- if ( v_src != i)
+ if (v_src != i)
s->items[v_dest++] = reliability.sc[0].items[v_src];
}
}
}
- if ( ! run_reliability (ds, &reliability))
+ if (! run_reliability (ds, &reliability))
goto error;
reliability_destroy (&reliability);
struct cronbach *s = &reliability->sc[si];
int i;
- s->m = xzalloc (sizeof *s->m * s->n_items);
+ s->m = xcalloc (s->n_items, sizeof *s->m);
s->total = moments1_create (MOMENT_VARIANCE);
- for (i = 0 ; i < s->n_items ; ++i )
+ for (i = 0 ; i < s->n_items ; ++i)
s->m[i] = moments1_create (MOMENT_VARIANCE);
}
reliability_statistics (reliability);
- if (reliability->summary & SUMMARY_TOTAL )
+ if (reliability->summary & SUMMARY_TOTAL)
reliability_summary_total (reliability);
}
double sum = 0;
const struct cronbach *s = aux;
- int v;
- for (v = 0 ; v < s->n_items; ++v)
- {
- sum += case_data (c, s->items[v])->f;
- }
+ for (int v = 0 ; v < s->n_items; ++v)
+ sum += case_num (c, s->items[v]);
return sum;
};
static double
alpha (int k, double sum_of_variances, double variance_of_sums)
{
- return k / ( k - 1.0) * ( 1 - sum_of_variances / variance_of_sums);
+ return k / (k - 1.0) * (1 - sum_of_variances / variance_of_sums);
}
static void
moments1_clear (s->total);
- for (i = 0 ; i < s->n_items ; ++i )
+ for (i = 0 ; i < s->n_items ; ++i)
moments1_clear (s->m[i]);
}
{
struct cronbach *s = &rel->sc[si];
- for (i = 0 ; i < s->n_items ; ++i )
- moments1_add (s->m[i], case_data (c, s->items[i])->f, weight);
+ for (i = 0 ; i < s->n_items ; ++i)
+ moments1_add (s->m[i], case_num (c, s->items[i]), weight);
- moments1_add (s->total, case_data_idx (c, s->totals_idx)->f, weight);
+ moments1_add (s->total, case_num_idx (c, s->totals_idx), weight);
}
}
casereader_destroy (input);
struct cronbach *s = &rel->sc[si];
s->sum_of_variances = 0;
- for (i = 0 ; i < s->n_items ; ++i )
+ for (i = 0 ; i < s->n_items ; ++i)
{
double weight, mean, variance;
moments1_calculate (s->m[i], &weight, &mean, &variance, NULL, NULL);
alpha (s->n_items, s->sum_of_variances, s->variance_of_sums);
}
- text_item_submit (text_item_create_format (TEXT_ITEM_PARAGRAPH, _("Scale: %s"),
- ds_cstr (&rel->scale_name)));
+ output_item_submit (text_item_create_nocopy (
+ TEXT_ITEM_TITLE,
+ xasprintf (_("Scale: %s"), ds_cstr (&rel->scale_name)),
+ NULL));
case_processing_summary (n_valid, n_missing, dataset_dict (ds));
}
rel->sc[1].n_items + rel->sc[2].n_items,
r1,
2 * r1 / (1.0 + r1),
- (sqrt ( pow4 (r1) + 4 * pow2 (r1) * tmp) - pow2 (r1)) / (2 * tmp),
+ (sqrt (pow4 (r1) + 4 * pow2 (r1) * tmp) - pow2 (r1)) / (2 * tmp),
g,
};
for (size_t i = 0; i < sizeof entries / sizeof *entries; i++)