/* PSPP - One way ANOVA. -*-c-*-
-Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
-Author: John Darrington 2004
+Copyright (C) 1997-9, 2000, 2007 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
#include <stdlib.h>
#include <data/case.h>
-#include <data/casefile.h>
+#include <data/casegrouper.h>
+#include <data/casereader.h>
#include <data/dictionary.h>
#include <data/procedure.h>
#include <data/value-labels.h>
#include <libpspp/hash.h>
#include <libpspp/magic.h>
#include <libpspp/message.h>
-#include <libpspp/message.h>
#include <libpspp/misc.h>
#include <libpspp/str.h>
+#include <libpspp/taint.h>
#include <math/group-proc.h>
#include <math/group.h>
#include <math/levene.h>
/* (specification)
"ONEWAY" (oneway_):
*^variables=custom;
- +missing=miss:!analysis/listwise,
- incl:include/!exclude;
- contrast= double list;
- statistics[st_]=descriptives,homogeneity.
+ missing=miss:!analysis/listwise,
+ incl:include/!exclude;
+ +contrast= double list;
+ +statistics[st_]=descriptives,homogeneity.
*/
/* (declarations) */
/* (functions) */
-
-
-static int bad_weight_warn = 1;
-
-
static struct cmd_oneway cmd;
/* The independent variable */
-static struct variable *indep_var;
+static const struct variable *indep_var;
/* Number of dependent variables */
static size_t n_vars;
/* The dependent variables */
-static struct variable **vars;
+static const struct variable **vars;
/* A hash table containing all the distinct values of the independent
/* The number of distinct values of the independent variable, when all
missing values are disregarded */
-static int ostensible_number_of_groups=-1;
+static int ostensible_number_of_groups = -1;
-/* Function to use for testing for missing values */
-static is_missing_func *value_is_missing;
-
-
-static bool run_oneway(const struct ccase *first,
- const struct casefile *cf, void *_mode);
+static void run_oneway (struct cmd_oneway *, struct casereader *,
+ const struct dataset *);
/* Routines to show the output tables */
int
-cmd_oneway(void)
+cmd_oneway (struct lexer *lexer, struct dataset *ds)
{
+ struct casegrouper *grouper;
+ struct casereader *group;
int i;
bool ok;
- if ( !parse_oneway(&cmd, NULL) )
+ if ( !parse_oneway (lexer, ds, &cmd, NULL) )
return CMD_FAILURE;
- /* If /MISSING=INCLUDE is set, then user missing values are ignored */
- if (cmd.incl == ONEWAY_INCLUDE )
- value_is_missing = mv_is_value_system_missing;
- else
- value_is_missing = mv_is_value_missing;
-
/* What statistics were requested */
if ( cmd.sbc_statistics )
{
}
}
- ok = multipass_procedure_with_splits (run_oneway, &cmd);
+ /* Data pass. FIXME: error handling. */
+ grouper = casegrouper_create_splits (proc_open (ds), dataset_dict (ds));
+ while (casegrouper_get_next_group (grouper, &group))
+ run_oneway (&cmd, group, ds);
+ ok = casegrouper_destroy (grouper);
+ ok = proc_commit (ds) && ok;
free (vars);
free_oneway (&cmd);
sum += subc_list_double_at(&cmd.dl_contrast[i],j);
if ( sum != 0.0 )
- msg(SW,_("Coefficients for contrast %d do not total zero"),i + 1);
+ msg(SW,_("Coefficients for contrast %d do not total zero"),
+ (int) i + 1);
}
if ( stat_tables & STAT_DESC )
/* Parser for the variables sub command */
static int
-oneway_custom_variables(struct cmd_oneway *cmd UNUSED, void *aux UNUSED)
+oneway_custom_variables (struct lexer *lexer,
+ struct dataset *ds, struct cmd_oneway *cmd UNUSED,
+ void *aux UNUSED)
{
+ struct dictionary *dict = dataset_dict (ds);
- lex_match('=');
+ lex_match (lexer, '=');
- if ((token != T_ID || dict_lookup_var (default_dict, tokid) == NULL)
- && token != T_ALL)
+ if ((lex_token (lexer) != T_ID || dict_lookup_var (dict, lex_tokid (lexer)) == NULL)
+ && lex_token (lexer) != T_ALL)
return 2;
-
- if (!parse_variables (default_dict, &vars, &n_vars,
+ if (!parse_variables_const (lexer, dict, &vars, &n_vars,
PV_DUPLICATE
| PV_NUMERIC | PV_NO_SCRATCH) )
{
assert(n_vars);
- if ( ! lex_match(T_BY))
+ if ( ! lex_match (lexer, T_BY))
return 2;
-
- indep_var = parse_variable();
+ indep_var = parse_variable (lexer, dict);
if ( !indep_var )
{
- msg(SE,_("`%s' is not a variable name"),tokid);
+ msg(SE,_("`%s' is not a variable name"),lex_tokid (lexer));
return 0;
}
-
return 1;
}
tab_title (t, _("ANOVA"));
tab_submit (t);
-
-
}
+
/* Show the descriptives table */
static void
show_descriptives(void)
gs = gs_array[count];
tab_text (t, 1, row + count,
- TAB_LEFT | TAT_TITLE ,value_to_string(&gs->id,indep_var));
+ TAB_LEFT | TAT_TITLE, var_get_value_name(indep_var,
+ &gs->id));
/* Now fill in the numbers ... */
}
tab_submit (t);
-
-
}
/* Show the contrast coefficients table */
static void
-show_contrast_coeffs(short *bad_contrast)
+show_contrast_coeffs (short *bad_contrast)
{
int n_cols = 2 + ostensible_number_of_groups;
int n_rows = 2 + cmd.sbc_contrast;
group_value = group_values[count];
tab_text (t, count + 2, 1, TAB_CENTER | TAT_TITLE,
- value_to_string(group_value, indep_var));
+ var_get_value_name (indep_var, group_value));
for (i = 0 ; i < cmd.sbc_contrast ; ++i )
{
(hsh_compare_func *) compare_group,
(hsh_hash_func *) hash_group,
(hsh_free_func *) free_group,
- (void *) indep_var->width );
+ (void *) var_get_width (indep_var) );
totals->sum=0;
}
}
+static void
+free_value (void *value_, const void *aux UNUSED)
+{
+ union value *value = value_;
+ free (value);
+}
-static bool
-run_oneway(const struct ccase *first, const struct casefile *cf, void *cmd_)
+static void
+run_oneway (struct cmd_oneway *cmd,
+ struct casereader *input,
+ const struct dataset *ds)
{
- struct casereader *r;
+ struct taint *taint;
+ struct dictionary *dict = dataset_dict (ds);
+ enum mv_class exclude;
+ struct casereader *reader;
struct ccase c;
- struct cmd_oneway *cmd = (struct cmd_oneway *) cmd_;
+ if (!casereader_peek (input, 0, &c))
+ return;
+ output_split_file_values (ds, &c);
+ case_destroy (&c);
- output_split_file_values (first);
+ taint = taint_clone (casereader_get_taint (input));
global_group_hash = hsh_create(4,
(hsh_compare_func *) compare_values,
(hsh_hash_func *) hash_value,
- 0,
- (void *) indep_var->width );
+ free_value,
+ (void *) var_get_width (indep_var) );
+
precalc(cmd);
- for(r = casefile_get_reader (cf);
- casereader_read (r, &c) ;
- case_destroy (&c))
+ exclude = cmd->incl != ONEWAY_INCLUDE ? MV_ANY : MV_SYSTEM;
+ input = casereader_create_filter_missing (input, &indep_var, 1,
+ exclude, NULL);
+ if (cmd->miss == ONEWAY_LISTWISE)
+ input = casereader_create_filter_missing (input, vars, n_vars,
+ exclude, NULL);
+ input = casereader_create_filter_weight (input, dict, NULL, NULL);
+
+ reader = casereader_clone (input);
+ for (; casereader_read (reader, &c); case_destroy (&c))
{
size_t i;
- const double weight =
- dict_get_case_weight(default_dict,&c,&bad_weight_warn);
-
- const union value *indep_val = case_data (&c, indep_var->fv);
-
- /* Deal with missing values */
- if ( value_is_missing(&indep_var->miss, indep_val) )
- continue;
-
- /* Skip the entire case if /MISSING=LISTWISE is set */
- if ( cmd->miss == ONEWAY_LISTWISE )
- {
- for(i = 0; i < n_vars ; ++i)
- {
- const struct variable *v = vars[i];
- const union value *val = case_data (&c, v->fv);
-
- if (value_is_missing(&v->miss, val) )
- break;
- }
- if ( i != n_vars )
- continue;
-
- }
+ const double weight = dict_get_case_weight (dict, &c, NULL);
-
- hsh_insert ( global_group_hash, (void *) indep_val );
+ const union value *indep_val = case_data (&c, indep_var);
+ void **p = hsh_probe (global_group_hash, indep_val);
+ if (*p == NULL)
+ *p = value_dup (indep_val, var_get_width (indep_var));
for ( i = 0 ; i < n_vars ; ++i )
{
const struct variable *v = vars[i];
- const union value *val = case_data (&c, v->fv);
+ const union value *val = case_data (&c, v);
struct group_proc *gp = group_proc_get (vars[i]);
struct hsh_table *group_hash = gp->group_hash;
hsh_insert ( group_hash, (void *) gs );
}
-
- if (! value_is_missing(&v->miss, val) )
+
+ if (!var_is_value_missing (v, val, exclude))
{
struct group_statistics *totals = &gp->ugs;
}
}
- casereader_destroy (r);
+ casereader_destroy (reader);
postcalc(cmd);
if ( stat_tables & STAT_HOMO )
- levene(cf, indep_var, n_vars, vars,
- (cmd->miss == ONEWAY_LISTWISE) ? LEV_LISTWISE : LEV_ANALYSIS ,
- value_is_missing);
-
- ostensible_number_of_groups = hsh_count (global_group_hash);
+ levene (dict, casereader_clone (input), indep_var, n_vars, vars, exclude);
+ casereader_destroy (input);
- output_oneway();
+ ostensible_number_of_groups = hsh_count (global_group_hash);
- return true;
+ if (!taint_has_tainted_successor (taint))
+ output_oneway();
+ taint_destroy (taint);
}
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