static is_missing_func value_is_missing;
-static void calculate(const struct casefile *cf, void *_mode);
+static void run_oneway(const struct casefile *cf, void *_mode);
/* Routines to show the output tables */
static void show_anova_table(void);
static void show_descriptives(void);
static void show_homogeneity(void);
-static void show_contrast_coeffs(void);
-static void show_contrast_tests(void);
+static void show_contrast_coeffs(short *);
+static void show_contrast_tests(short *);
+
+
+enum stat_table_t {STAT_DESC = 1, STAT_HOMO = 2};
+
+static enum stat_table_t stat_tables ;
+
+void output_oneway(void);
int
else
value_is_missing = is_missing;
- multipass_procedure_with_splits (calculate, &cmd);
+ /* What statistics were requested */
+ if ( cmd.sbc_statistics )
+ {
+
+ for (i = 0 ; i < ONEWAY_ST_count ; ++i )
+ {
+ if ( ! cmd.a_statistics[i] ) continue;
+
+ switch (i) {
+ case ONEWAY_ST_DESCRIPTIVES:
+ stat_tables |= STAT_DESC;
+ break;
+ case ONEWAY_ST_HOMOGENEITY:
+ stat_tables |= STAT_HOMO;
+ break;
+ }
+ }
+ }
+
+ multipass_procedure_with_splits (run_oneway, &cmd);
+
+
+ return CMD_SUCCESS;
+}
+
+
+void
+output_oneway(void)
+{
+
+ int i;
+ short *bad_contrast ;
+
+ bad_contrast = xmalloc ( sizeof (short) * cmd.sbc_contrast );
/* Check the sanity of the given contrast values */
for (i = 0 ; i < cmd.sbc_contrast ; ++i )
int j;
double sum = 0;
+ bad_contrast[i] = 0;
if ( subc_list_double_count(&cmd.dl_contrast[i]) !=
ostensible_number_of_groups )
{
- msg(SE,
+ msg(SW,
_("Number of contrast coefficients must equal the number of groups"));
- return CMD_FAILURE;
+ bad_contrast[i] = 1;
+ continue;
}
for (j=0; j < ostensible_number_of_groups ; ++j )
msg(SW,_("Coefficients for contrast %d do not total zero"),i + 1);
}
+ if ( stat_tables & STAT_DESC )
+ show_descriptives();
-
- /* Show the statistics tables */
- if ( cmd.sbc_statistics )
- {
- for (i = 0 ; i < ONEWAY_ST_count ; ++i )
- {
- if ( ! cmd.a_statistics[i] ) continue;
-
- switch (i) {
- case ONEWAY_ST_DESCRIPTIVES:
- show_descriptives();
- break;
- case ONEWAY_ST_HOMOGENEITY:
- show_homogeneity();
- break;
- }
- }
- }
-
+ if ( stat_tables & STAT_HOMO )
+ show_homogeneity();
show_anova_table();
- if (cmd.sbc_contrast)
+ if (cmd.sbc_contrast )
{
- show_contrast_coeffs();
- show_contrast_tests();
+ show_contrast_coeffs(bad_contrast);
+ show_contrast_tests(bad_contrast);
}
+ free(bad_contrast);
+
/* Clean up */
for (i = 0 ; i < n_vars ; ++i )
{
hsh_destroy(global_group_hash);
- return CMD_SUCCESS;
}
-
/* Parser for the variables sub command */
static int
oneway_custom_variables(struct cmd_oneway *cmd UNUSED)
for ( v=0 ; v < n_vars ; ++v )
{
- char *s = (vars[v]->label) ? vars[v]->label : vars[v]->name;
- struct group_statistics *totals = &vars[v]->p.grp_data.ugs;
-
- const double df1 = vars[v]->p.grp_data.n_groups - 1;
- const double df2 = totals->n - vars[v]->p.grp_data.n_groups ;
+ double F;
+ const struct variable *var = vars[v];
+ const char *s = (var->label) ? var->label : var->name;
+ const struct group_statistics *totals = &var->p.grp_data.ugs;
+ const double df1 = var->p.grp_data.n_groups - 1;
+ const double df2 = totals->n - var->p.grp_data.n_groups ;
tab_text (t, 0, v + 1, TAB_LEFT | TAT_TITLE, s);
-
-
+ F = var->p.grp_data.levene;
+ tab_float (t, 1, v + 1, TAB_RIGHT, F, 8,3);
tab_float (t, 2, v + 1, TAB_RIGHT, df1 ,8,0);
tab_float (t, 3, v + 1, TAB_RIGHT, df2 ,8,0);
+
+ /* Now the significance */
+ tab_float (t, 4, v + 1, TAB_RIGHT,gsl_cdf_fdist_Q(F,df1,df2), 8, 3);
}
tab_submit (t);
/* Show the contrast coefficients table */
static void
-show_contrast_coeffs(void)
+show_contrast_coeffs(short *bad_contrast)
{
char *s;
int n_cols = 2 + ostensible_number_of_groups;
int i;
char *lab;
+
lab = val_labs_find(indep_var->val_labs,*group_value);
if ( lab )
for (i = 0 ; i < cmd.sbc_contrast ; ++i )
{
+
tab_text(t, 1, i + 2, TAB_CENTER | TAT_PRINTF, "%d", i + 1);
- tab_text(t, count + 2, i + 2, TAB_RIGHT | TAT_PRINTF, "%g",
- subc_list_double_at(&cmd.dl_contrast[i],count)
- );
+
+ if ( bad_contrast[i] )
+ tab_text(t, count + 2, i + 2, TAB_RIGHT, "?" );
+ else
+ tab_text(t, count + 2, i + 2, TAB_RIGHT | TAT_PRINTF, "%g",
+ subc_list_double_at(&cmd.dl_contrast[i],count)
+ );
}
count++ ;
/* Show the results of the contrast tests */
static void
-show_contrast_tests(void)
+show_contrast_tests(short *bad_contrast)
{
int v;
int n_cols = 8;
tab_text (t, 2, (v * lines_per_variable) + i + 1 + cmd.sbc_contrast,
TAB_CENTER | TAT_TITLE | TAT_PRINTF, "%d",i+1);
+
+ if ( bad_contrast[i])
+ continue;
+
/* FIXME: Potential danger here.
We're ASSUMING THE array is in the order corresponding to the
hash order. */
}
sec_vneq = sqrt(sec_vneq);
-
df_numerator = pow2(df_numerator);
-
tab_float (t, 3, (v * lines_per_variable) + i + 1,
TAB_RIGHT, contrast_value, 8,2);
- tab_float (t, 3, (v * lines_per_variable) + i + 1 + cmd.sbc_contrast,
+ tab_float (t, 3, (v * lines_per_variable) + i + 1 +
+ cmd.sbc_contrast,
TAB_RIGHT, contrast_value, 8,2);
-
std_error_contrast = sqrt(vars[v]->p.grp_data.mse * coef_msq);
/* Std. Error */
(void *) indep_var->width );
- totals->criterion = CMP_EQ;
totals->sum=0;
totals->n=0;
totals->ssq=0;
static void
-calculate(const struct casefile *cf, void *cmd_)
+run_oneway(const struct casefile *cf, void *cmd_)
{
struct casereader *r;
struct ccase c;
-
struct cmd_oneway *cmd = (struct cmd_oneway *) cmd_;
global_group_hash = hsh_create(4,
(hsh_hash_func *) hash_value,
0,
(void *) indep_var->width );
-
precalc(cmd);
-
-
for(r = casefile_get_reader (cf);
casereader_read (r, &c) ;
case_destroy (&c))
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_val,indep_var) )
+ 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(val,v) )
+ break;
+ }
+ if ( i != n_vars )
+ continue;
+
+ }
+
hsh_insert ( global_group_hash, (void *) indep_val );
-
for ( i = 0 ; i < n_vars ; ++i )
{
const struct variable *v = vars[i];
gs = (struct group_statistics *)
xmalloc (sizeof(struct group_statistics));
- gs->criterion = CMP_EQ;
gs->id = *indep_val;
gs->sum=0;
gs->n=0;
postcalc(cmd);
- /*
- levene(cf, indep_var, n_vars, vars, LEV_LISTWISE, value_is_missing);
- */
+
+ 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);
+
+ output_oneway();
+
+
}
totals->se_mean = totals->std_dev / sqrt(totals->n);
-
-
-
}
}
projects / pspp-builds.git / blobdiff