#define DEFAULT_STATS \
((1ul << DSC_MEAN) | (1ul << DSC_STDDEV) | (1ul << DSC_MIN) \
| (1ul << DSC_MAX))
-
+
/* A variable specified on DESCRIPTIVES. */
struct dsc_var
{
};
/* Output format. */
-enum dsc_format
+enum dsc_format
{
DSC_LINE, /* Abbreviated format. */
DSC_SERIAL /* Long format. */
};
/* A DESCRIPTIVES procedure. */
-struct dsc_proc
+struct dsc_proc
{
/* Per-variable info. */
struct dsc_var *vars; /* Variables. */
static void free_dsc_proc (struct dsc_proc *);
/* Z-score functions. */
-static bool try_name (const struct dictionary *dict,
+static bool try_name (const struct dictionary *dict,
struct dsc_proc *dsc, const char *name);
-static bool generate_z_varname (const struct dictionary *dict,
+static bool generate_z_varname (const struct dictionary *dict,
struct dsc_proc *dsc, char *z_name,
const char *name, int *z_cnt);
static void dump_z_table (struct dsc_proc *);
dsc->show_stats = dsc->calc_stats = DEFAULT_STATS;
/* Parse DESCRIPTIVES. */
- while (lex_token (lexer) != '.')
+ while (lex_token (lexer) != '.')
{
if (lex_match_id (lexer, "MISSING"))
{
lex_match (lexer, '=');
- while (lex_token (lexer) != '.' && lex_token (lexer) != '/')
+ while (lex_token (lexer) != '.' && lex_token (lexer) != '/')
{
if (lex_match_id (lexer, "VARIABLE"))
dsc->missing_type = DSC_VARIABLE;
}
else if (lex_match_id (lexer, "SAVE"))
save_z_scores = 1;
- else if (lex_match_id (lexer, "FORMAT"))
+ else if (lex_match_id (lexer, "FORMAT"))
{
lex_match (lexer, '=');
- while (lex_token (lexer) != '.' && lex_token (lexer) != '/')
+ while (lex_token (lexer) != '.' && lex_token (lexer) != '/')
{
if (lex_match_id (lexer, "LABELS"))
dsc->show_var_labels = 1;
lex_match (lexer, ',');
}
}
- else if (lex_match_id (lexer, "STATISTICS"))
+ else if (lex_match_id (lexer, "STATISTICS"))
{
lex_match (lexer, '=');
dsc->show_stats = 0;
- while (lex_token (lexer) != '.' && lex_token (lexer) != '/')
+ while (lex_token (lexer) != '.' && lex_token (lexer) != '/')
{
- if (lex_match (lexer, T_ALL))
+ if (lex_match (lexer, T_ALL))
dsc->show_stats |= (1ul << DSC_N_STATS) - 1;
else if (lex_match_id (lexer, "DEFAULT"))
dsc->show_stats |= DEFAULT_STATS;
if (dsc->show_stats == 0)
dsc->show_stats = DEFAULT_STATS;
}
- else if (lex_match_id (lexer, "SORT"))
+ else if (lex_match_id (lexer, "SORT"))
{
lex_match (lexer, '=');
if (lex_match_id (lexer, "NAME"))
dsc->sort_by_stat = DSC_NAME;
- else
+ else
{
dsc->sort_by_stat = match_statistic (lexer);
if (dsc->sort_by_stat == DSC_NONE )
dsc->sort_by_stat = DSC_MEAN;
}
- if (lex_match (lexer, '('))
+ if (lex_match (lexer, '('))
{
if (lex_match_id (lexer, "A"))
dsc->sort_ascending = 1;
}
else if (var_cnt == 0)
{
- if (lex_look_ahead (lexer) == '=')
+ if (lex_look_ahead (lexer) == '=')
{
lex_match_id (lexer, "VARIABLES");
lex_match (lexer, '=');
}
- while (lex_token (lexer) != '.' && lex_token (lexer) != '/')
+ while (lex_token (lexer) != '.' && lex_token (lexer) != '/')
{
int i;
-
+
if (!parse_variables_const (lexer, dict, &vars, &var_cnt,
PV_APPEND | PV_NO_DUPLICATE | PV_NUMERIC))
goto error;
}
dsc->var_cnt = var_cnt;
- if (lex_match (lexer, '('))
+ if (lex_match (lexer, '('))
{
- if (lex_token (lexer) != T_ID)
+ if (lex_token (lexer) != T_ID)
{
lex_error (lexer, NULL);
goto error;
}
- if (try_name (dict, dsc, lex_tokid (lexer)))
+ if (try_name (dict, dsc, lex_tokid (lexer)))
{
strcpy (dsc->vars[dsc->var_cnt - 1].z_name, lex_tokid (lexer));
z_cnt++;
}
}
}
- else
+ else
{
lex_error (lexer, NULL);
- goto error;
+ goto error;
}
lex_match (lexer, '/');
/* Construct z-score varnames, show translation table. */
if (z_cnt || save_z_scores)
{
- if (save_z_scores)
+ if (save_z_scores)
{
int gen_cnt = 0;
for (i = 0; i < dsc->var_cnt; i++)
- if (dsc->vars[i].z_name[0] == 0)
+ if (dsc->vars[i].z_name[0] == 0)
{
if (!generate_z_varname (dict, dsc, dsc->vars[i].z_name,
var_get_name (dsc->vars[i].v),
&gen_cnt))
goto error;
z_cnt++;
- }
+ }
}
dump_z_table (dsc);
}
/* Figure out maximum moment needed and allocate moments for
the variables. */
dsc->max_moment = MOMENT_NONE;
- for (i = 0; i < DSC_N_STATS; i++)
+ for (i = 0; i < DSC_N_STATS; i++)
if (dsc->calc_stats & (1ul << i) && dsc_info[i].moment > dsc->max_moment)
dsc->max_moment = dsc_info[i].moment;
if (dsc->max_moment != MOMENT_NONE)
/* Data pass. FIXME: error handling. */
grouper = casegrouper_create_splits (proc_open (ds), dict);
- while (casegrouper_get_next_group (grouper, &group))
+ while (casegrouper_get_next_group (grouper, &group))
calc_descriptives (dsc, group, ds);
ok = casegrouper_destroy (grouper);
ok = proc_commit (ds) && ok;
specifiers). Emits an error if the current token ID does not name a
statistic. */
static enum dsc_statistic
-match_statistic (struct lexer *lexer)
+match_statistic (struct lexer *lexer)
{
- if (lex_token (lexer) == T_ID)
+ if (lex_token (lexer) == T_ID)
{
enum dsc_statistic stat;
for (stat = 0; stat < DSC_N_STATS; stat++)
- if (lex_match_id (lexer, dsc_info[stat].identifier))
+ if (lex_match_id (lexer, dsc_info[stat].identifier))
return stat;
lex_get (lexer);
if (dsc == NULL)
return;
-
+
for (i = 0; i < dsc->var_cnt; i++)
moments_destroy (dsc->vars[i].moments);
free (dsc->vars);
/* Returns false if NAME is a duplicate of any existing variable name or
of any previously-declared z-var name; otherwise returns true. */
static bool
-try_name (const struct dictionary *dict, struct dsc_proc *dsc,
+try_name (const struct dictionary *dict, struct dsc_proc *dsc,
const char *name)
{
size_t i;
"STDZ01-STDZ09, ZZZZ01-ZZZZ09, ZQZQ01-ZQZQ09."));
return false;
}
-
+
if (try_name (dict, dsc, name))
{
strcpy (z_name, name);
{
size_t cnt = 0;
struct tab_table *t;
-
+
{
size_t i;
-
+
for (i = 0; i < dsc->var_cnt; i++)
if (dsc->vars[i].z_name[0] != '\0')
cnt++;
}
-
+
t = tab_create (2, cnt + 1, 0);
tab_title (t, _("Mapping of variables to corresponding Z-scores."));
tab_columns (t, SOM_COL_DOWN, 1);
{
size_t i, y;
-
+
for (i = 0, y = 1; i < dsc->var_cnt; i++)
if (dsc->vars[i].z_name[0] != '\0')
{
tab_text (t, 1, y++, TAB_LEFT, dsc->vars[i].z_name);
}
}
-
+
tab_submit (t);
}
}
}
}
-
+
for (z = t->z_scores; z < t->z_scores + t->z_score_cnt; z++)
{
double input = case_num (c, z->src_var);
in CF. */
static void
calc_descriptives (struct dsc_proc *dsc, struct casereader *group,
- struct dataset *ds)
+ struct dataset *ds)
{
struct casereader *pass1, *pass2;
struct ccase c;
for (i = 0; i < dsc->var_cnt; i++)
{
struct dsc_var *dv = &dsc->vars[i];
-
+
dv->valid = dv->missing = 0.0;
if (dv->moments != NULL)
moments_clear (dv->moments);
for (; casereader_read (pass1, &c); case_destroy (&c))
{
double weight = dict_get_case_weight (dataset_dict (ds), &c, NULL);
-
+
/* Check for missing values. */
- if (listwise_missing (dsc, &c))
+ if (listwise_missing (dsc, &c))
{
dsc->missing_listwise += weight;
if (dsc->missing_type == DSC_LISTWISE)
- continue;
+ continue;
}
dsc->valid += weight;
- for (i = 0; i < dsc->var_cnt; i++)
+ for (i = 0; i < dsc->var_cnt; i++)
{
struct dsc_var *dv = &dsc->vars[i];
double x = case_num (&c, dv->v);
-
+
if (var_is_num_missing (dv->v, x, dsc->exclude))
{
dv->missing += weight;
continue;
}
- if (dv->moments != NULL)
+ if (dv->moments != NULL)
moments_pass_one (dv->moments, x, weight);
if (x < dv->min)
return;
/* Second pass for higher-order moments. */
- if (dsc->max_moment > MOMENT_MEAN)
+ if (dsc->max_moment > MOMENT_MEAN)
{
for (; casereader_read (pass2, &c); case_destroy (&c))
{
double weight = dict_get_case_weight (dataset_dict (ds), &c, NULL);
-
+
/* Check for missing values. */
if (dsc->missing_type == DSC_LISTWISE && listwise_missing (dsc, &c))
- continue;
+ continue;
- for (i = 0; i < dsc->var_cnt; i++)
+ for (i = 0; i < dsc->var_cnt; i++)
{
struct dsc_var *dv = &dsc->vars[i];
double x = case_num (&c, dv->v);
-
+
if (var_is_num_missing (dv->v, x, dsc->exclude))
continue;
if (dsc->calc_stats & (1ul << DSC_STDDEV)
&& dv->stats[DSC_VARIANCE] != SYSMIS)
dv->stats[DSC_STDDEV] = sqrt (dv->stats[DSC_VARIANCE]);
- if (dsc->calc_stats & (1ul << DSC_SEKURT))
+ if (dsc->calc_stats & (1ul << DSC_SEKURT))
if (dv->stats[DSC_KURTOSIS] != SYSMIS)
dv->stats[DSC_SEKURT] = calc_sekurt (W);
if (dsc->calc_stats & (1ul << DSC_SESKEW)
/* Returns true if any of the descriptives variables in DSC's
variable list have missing values in case C, false otherwise. */
static bool
-listwise_missing (struct dsc_proc *dsc, const struct ccase *c)
+listwise_missing (struct dsc_proc *dsc, const struct ccase *c)
{
size_t i;
if (dsc->sort_by_stat == DSC_NAME)
result = strcasecmp (var_get_name (a->v), var_get_name (b->v));
- else
+ else
{
double as = a->stats[dsc->sort_by_stat];
double bs = b->stats[dsc->sort_by_stat];
projects / pspp-builds.git / blobdiff