X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Flanguage%2Fstats%2Fexamine.q;h=d9b9bece6fbc79dca18519859325beae4332052b;hb=f514231dd2fc0c2adc1ebab5c46a4b55d2bd9c2b;hp=b08f6d7a725b38f84bf6dd04d3a957db712ff08a;hpb=164d1274fcb70c54897f2a03fc7c27152ed4821a;p=pspp-builds.git
diff --git a/src/language/stats/examine.q b/src/language/stats/examine.q
index b08f6d7a..d9b9bece 100644
--- a/src/language/stats/examine.q
+++ b/src/language/stats/examine.q
@@ -1,21 +1,18 @@
-/* PSPP - EXAMINE data for normality . -*-c-*-
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 2004 Free Software Foundation, Inc.
-Copyright (C) 2004 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
+ the Free Software Foundation, either version 3 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 2 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
#include
@@ -26,7 +23,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
#include
#include
-#include
+#include
+#include
#include
#include
#include
@@ -84,7 +82,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
static struct cmd_examine cmd;
-static struct variable **dependent_vars;
+static const struct variable **dependent_vars;
static size_t n_dependent_vars;
@@ -116,19 +114,19 @@ static int examine_parse_independent_vars (struct lexer *lexer, const struct dic
/* Output functions */
-static void show_summary (struct variable **dependent_var, int n_dep_var,
+static void show_summary (const struct variable **dependent_var, int n_dep_var,
const struct factor *f);
-static void show_extremes (struct variable **dependent_var,
+static void show_extremes (const struct variable **dependent_var,
int n_dep_var,
const struct factor *factor,
int n_extremities);
-static void show_descriptives (struct variable **dependent_var,
+static void show_descriptives (const struct variable **dependent_var,
int n_dep_var,
struct factor *factor);
-static void show_percentiles (struct variable **dependent_var,
+static void show_percentiles (const struct variable **dependent_var,
int n_dep_var,
struct factor *factor);
@@ -152,8 +150,8 @@ void box_plot_variables (const struct factor *fctr,
/* Per Split function */
-static bool run_examine (const struct ccase *,
- const struct casefile *cf, void *cmd_, const struct dataset *);
+static void run_examine (struct cmd_examine *, struct casereader *,
+ struct dataset *);
static void output_examine (void);
@@ -178,9 +176,8 @@ const char *factor_to_string_concise (const struct factor *fctr,
-/* Function to use for testing for missing values */
-static var_is_missing_func *value_is_missing;
-
+/* Categories of missing values to exclude. */
+static enum mv_class exclude_values;
/* PERCENTILES */
@@ -194,6 +191,8 @@ static short sbc_percentile;
int
cmd_examine (struct lexer *lexer, struct dataset *ds)
{
+ struct casegrouper *grouper;
+ struct casereader *group;
bool ok;
subc_list_double_create (&percentile_list);
@@ -206,10 +205,7 @@ cmd_examine (struct lexer *lexer, struct dataset *ds)
}
/* If /MISSING=INCLUDE is set, then user missing values are ignored */
- if (cmd.incl == XMN_INCLUDE )
- value_is_missing = var_is_value_system_missing;
- else
- value_is_missing = var_is_value_missing;
+ exclude_values = cmd.incl == XMN_INCLUDE ? MV_SYSTEM : MV_ANY;
if ( cmd.st_n == SYSMIS )
cmd.st_n = 5;
@@ -226,7 +222,11 @@ cmd_examine (struct lexer *lexer, struct dataset *ds)
subc_list_double_push (&percentile_list, 75);
}
- ok = multipass_procedure_with_splits (ds, run_examine, &cmd);
+ grouper = casegrouper_create_splits (proc_open (ds), dataset_dict (ds));
+ while (casegrouper_get_next_group (grouper, &group))
+ run_examine (&cmd, group, ds);
+ ok = casegrouper_destroy (grouper);
+ ok = proc_commit (ds) && ok;
if ( totals )
{
@@ -529,7 +529,7 @@ xmn_custom_variables (struct lexer *lexer, struct dataset *ds, struct cmd_examin
return 2;
}
- if (!parse_variables (lexer, dict, &dependent_vars, &n_dependent_vars,
+ if (!parse_variables_const (lexer, dict, &dependent_vars, &n_dependent_vars,
PV_NO_DUPLICATE | PV_NUMERIC | PV_NO_SCRATCH) )
{
free (dependent_vars);
@@ -631,9 +631,6 @@ void populate_summary (struct tab_table *t, int col, int row,
-static bool bad_weight_warn = true;
-
-
/* Perform calculations for the sub factors */
void
factor_calc (const struct ccase *c, int case_no, double weight,
@@ -695,7 +692,7 @@ factor_calc (const struct ccase *c, int case_no, double weight,
var_get_width (var)
);
- if ( value_is_missing (var, val) || case_missing )
+ if (case_missing || var_is_value_missing (var, val, exclude_values))
{
free (val);
continue;
@@ -710,23 +707,28 @@ factor_calc (const struct ccase *c, int case_no, double weight,
}
}
-static bool
-run_examine (const struct ccase *first, const struct casefile *cf,
- void *cmd_, const struct dataset *ds)
+static void
+run_examine (struct cmd_examine *cmd, struct casereader *input,
+ struct dataset *ds)
{
struct dictionary *dict = dataset_dict (ds);
- struct casereader *r;
+ casenumber case_no;
struct ccase c;
int v;
-
- const struct cmd_examine *cmd = (struct cmd_examine *) cmd_;
+ bool ok;
struct factor *fctr;
- output_split_file_values (ds, first);
+ if (!casereader_peek (input, 0, &c))
+ return;
+ output_split_file_values (ds, &c);
+ case_destroy (&c);
+
+ input = casereader_create_filter_weight (input, dict, NULL, NULL);
+ input = casereader_create_counter (input, &case_no, 0);
/* Make sure we haven't got rubbish left over from a
- previous split */
+ previous split. */
fctr = factors;
while (fctr)
{
@@ -742,15 +744,10 @@ run_examine (const struct ccase *first, const struct casefile *cf,
for ( v = 0 ; v < n_dependent_vars ; ++v )
metrics_precalc (&totals[v]);
- for (r = casefile_get_reader (cf, NULL);
- casereader_read (r, &c) ;
- case_destroy (&c) )
+ for (; casereader_read (input, &c); case_destroy (&c))
{
- int case_missing=0;
- const int case_no = casereader_cnum (r);
-
- const double weight =
- dict_get_case_weight (dict, &c, &bad_weight_warn);
+ int case_missing = 0;
+ const double weight = dict_get_case_weight (dict, &c, NULL);
if ( cmd->miss == XMN_LISTWISE )
{
@@ -762,7 +759,7 @@ run_examine (const struct ccase *first, const struct casefile *cf,
var_get_width (var)
);
- if ( value_is_missing (var, val))
+ if ( var_is_value_missing (var, val, exclude_values))
case_missing = 1;
free (val);
@@ -777,7 +774,8 @@ run_examine (const struct ccase *first, const struct casefile *cf,
var_get_width (var)
);
- if ( value_is_missing (var, val) || case_missing )
+ if ( var_is_value_missing (var, val, exclude_values)
+ || case_missing )
{
free (val) ;
continue ;
@@ -790,6 +788,7 @@ run_examine (const struct ccase *first, const struct casefile *cf,
factor_calc (&c, case_no, weight, case_missing);
}
+ ok = casereader_destroy (input);
for ( v = 0 ; v < n_dependent_vars ; ++v)
{
@@ -885,7 +884,8 @@ run_examine (const struct ccase *first, const struct casefile *cf,
fctr = fctr->next;
}
- output_examine ();
+ if (ok)
+ output_examine ();
if ( totals )
@@ -896,13 +896,11 @@ run_examine (const struct ccase *first, const struct casefile *cf,
metrics_destroy (&totals[i]);
}
}
-
- return true;
}
static void
-show_summary (struct variable **dependent_var, int n_dep_var,
+show_summary (const struct variable **dependent_var, int n_dep_var,
const struct factor *fctr)
{
static const char *subtitle[]=
@@ -1127,7 +1125,7 @@ populate_summary (struct tab_table *t, int col, int row,
static void
-show_extremes (struct variable **dependent_var, int n_dep_var,
+show_extremes (const struct variable **dependent_var, int n_dep_var,
const struct factor *fctr, int n_extremities)
{
int i;
@@ -1364,7 +1362,7 @@ populate_extremes (struct tab_table *t,
/* Show the descriptives table */
void
-show_descriptives (struct variable **dependent_var,
+show_descriptives (const struct variable **dependent_var,
int n_dep_var,
struct factor *fctr)
{
@@ -1510,18 +1508,14 @@ show_descriptives (struct variable **dependent_var,
}
-
-
/* Fill in the descriptives data */
void
populate_descriptives (struct tab_table *tbl, int col, int row,
const struct metrics *m)
{
-
- const double t = gsl_cdf_tdist_Qinv (1 - cmd.n_cinterval[0]/100.0/2.0, \
+ const double t = gsl_cdf_tdist_Qinv ((1 - cmd.n_cinterval[0] / 100.0)/2.0,
m->n -1);
-
tab_text (tbl, col,
row,
TAB_LEFT | TAT_TITLE,
@@ -1950,7 +1944,7 @@ np_plot (const struct metrics *m, const char *factorname)
/* Show the percentiles */
void
-show_percentiles (struct variable **dependent_var,
+show_percentiles (const struct variable **dependent_var,
int n_dep_var,
struct factor *fctr)
{
@@ -2260,3 +2254,9 @@ factor_to_string_concise (const struct factor *fctr,
return buf;
}
+
+/*
+ Local Variables:
+ mode: c
+ End:
+*/