X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Foneway.c;h=aa8a255211192852f78318940d68179e046ec28c;hb=99918a5a4da287dfe6b976c06c578674f6e11ea0;hp=b2d1e5b1861307ba2e2bfd3c2f18e05c70528718;hpb=c91d15f0e87c2667ae4b39c236850ef6669a6b51;p=pspp diff --git a/src/language/stats/oneway.c b/src/language/stats/oneway.c index b2d1e5b186..aa8a255211 100644 --- a/src/language/stats/oneway.c +++ b/src/language/stats/oneway.c @@ -102,6 +102,15 @@ struct oneway_spec }; +/* Per category data */ +struct descriptive_data +{ + const struct variable *var; + struct moments1 *mom; + + double minimum; + double maximum; +}; /* Workspace variable for each dependent variable */ struct per_var_ws @@ -114,7 +123,7 @@ struct per_var_ws int n_groups; - double cc; + double mse; }; struct oneway_workspace @@ -313,15 +322,6 @@ free_double (void *value_, const void *aux UNUSED) static void postcalc (const struct oneway_spec *cmd); static void precalc (const struct oneway_spec *cmd); -struct descriptive_data -{ - const struct variable *var; - struct moments1 *mom; - - double minimum; - double maximum; -}; - static struct descriptive_data * dd_create (const struct variable *var) { @@ -347,7 +347,9 @@ makeit (void *aux1, void *aux2 UNUSED) } static void -updateit (void *user_data, const struct variable *wv, +updateit (void *user_data, + enum mv_class exclude, + const struct variable *wv, const struct variable *catvar UNUSED, const struct ccase *c, void *aux1, void *aux2) @@ -360,9 +362,12 @@ updateit (void *user_data, const struct variable *wv, struct descriptive_data *dd_total = aux2; - double weight = 1.0; - if (wv) - weight = case_data (c, wv)->f; + double weight; + + if ( var_is_value_missing (varp, valx, exclude)) + return; + + weight = wv != NULL ? case_data (c, wv)->f : 1.0; moments1_add (dd->mom, valx->f, weight); if (valx->f * weight < dd->minimum) @@ -399,17 +404,13 @@ run_oneway (const struct oneway_spec *cmd, struct ccase *c; struct oneway_workspace ws; - - { - ws.vws = xmalloc (cmd->n_vars * sizeof (*ws.vws)); - ws.dd_total = xmalloc (sizeof (struct descriptive_data) * cmd->n_vars); + ws.actual_number_of_groups = 0; + ws.vws = xmalloc (cmd->n_vars * sizeof (*ws.vws)); + ws.dd_total = xmalloc (sizeof (struct descriptive_data) * cmd->n_vars); - for (v = 0 ; v < cmd->n_vars; ++v) - { - ws.dd_total[v] = dd_create (cmd->vars[v]); - } - } + for (v = 0 ; v < cmd->n_vars; ++v) + ws.dd_total[v] = dd_create (cmd->vars[v]); for (v = 0; v < cmd->n_vars; ++v) { @@ -422,7 +423,6 @@ run_oneway (const struct oneway_spec *cmd, ws.vws[v].cov = covariance_2pass_create (1, &cmd->vars[v], cats, cmd->wv, cmd->exclude); - ws.vws[v].cc = 0; } c = casereader_peek (input, 0); @@ -469,22 +469,21 @@ run_oneway (const struct oneway_spec *cmd, for (i = 0; i < cmd->n_vars; ++i) { - { - struct per_var_ws *pvw = &ws.vws[i]; - - pvw->cc += weight; - covariance_accumulate_pass1 (pvw->cov, c); - } - + struct per_var_ws *pvw = &ws.vws[i]; const struct variable *v = cmd->vars[i]; - const union value *val = case_data (c, v); - struct group_proc *gp = group_proc_get (cmd->vars[i]); struct hsh_table *group_hash = gp->group_hash; - struct group_statistics *gs; + if ( MISS_ANALYSIS == cmd->missing_type) + { + if ( var_is_value_missing (v, val, cmd->exclude)) + continue; + } + + covariance_accumulate_pass1 (pvw->cov, c); + gs = hsh_find (group_hash, indep_val ); if ( ! gs ) @@ -538,6 +537,15 @@ run_oneway (const struct oneway_spec *cmd, for (i = 0; i < cmd->n_vars; ++i) { struct per_var_ws *pvw = &ws.vws[i]; + const struct variable *v = cmd->vars[i]; + const union value *val = case_data (c, v); + + if ( MISS_ANALYSIS == cmd->missing_type) + { + if ( var_is_value_missing (v, val, cmd->exclude)) + continue; + } + covariance_accumulate_pass2 (pvw->cov, c); } } @@ -549,8 +557,13 @@ run_oneway (const struct oneway_spec *cmd, gsl_matrix *cm = covariance_calculate_unnormalized (pvw->cov); const struct categoricals *cats = covariance_get_categoricals (pvw->cov); + double n; + moments1_calculate (ws.dd_total[v]->mom, &n, NULL, NULL, NULL, NULL); + pvw->sst = gsl_matrix_get (cm, 0, 0); + // gsl_matrix_fprintf (stdout, cm, "%g "); + reg_sweep (cm, 0); pvw->sse = gsl_matrix_get (cm, 0, 0); @@ -558,15 +571,21 @@ run_oneway (const struct oneway_spec *cmd, pvw->ssa = pvw->sst - pvw->sse; pvw->n_groups = categoricals_total (cats); + + pvw->mse = (pvw->sst - pvw->ssa) / (n - pvw->n_groups); } postcalc (cmd); + for (v = 0; v < cmd->n_vars; ++v) { struct categoricals *cats = covariance_get_categoricals (ws.vws[v].cov); categoricals_done (cats); + + if (categoricals_total (cats) > ws.actual_number_of_groups) + ws.actual_number_of_groups = categoricals_total (cats); } if ( cmd->stats & STATS_HOMOGENEITY ) @@ -575,8 +594,6 @@ run_oneway (const struct oneway_spec *cmd, casereader_destroy (input); - ws.actual_number_of_groups = hsh_count (ws.group_hash); - if (!taint_has_tainted_successor (taint)) output_oneway (cmd, &ws); @@ -692,14 +709,12 @@ output_oneway (const struct oneway_spec *cmd, struct oneway_workspace *ws) show_anova_table (cmd, ws); - if (ll_count (&cmd->contrast_list) > 0) { show_contrast_coeffs (cmd, ws); show_contrast_tests (cmd, ws); } - /* Clean up */ for (i = 0; i < cmd->n_vars; ++i ) { @@ -743,13 +758,17 @@ show_anova_table (const struct oneway_spec *cmd, const struct oneway_workspace * for (i = 0; i < cmd->n_vars; ++i) { + double n; + double df1, df2; + double msa; + const char *s = var_to_string (cmd->vars[i]); const struct per_var_ws *pvw = &ws->vws[i]; - struct group_proc *gp = group_proc_get (cmd->vars[i]); - const double df1 = pvw->n_groups - 1; - const double df2 = pvw->cc - pvw->n_groups; - const double msa = pvw->ssa / df1; - const char *s = var_to_string (cmd->vars[i]); + moments1_calculate (ws->dd_total[i]->mom, &n, NULL, NULL, NULL, NULL); + + df1 = pvw->n_groups - 1; + df2 = n - pvw->n_groups; + msa = pvw->ssa / df1; tab_text (t, 0, i * 3 + 1, TAB_LEFT | TAT_TITLE, s); tab_text (t, 1, i * 3 + 1, TAB_LEFT | TAT_TITLE, _("Between Groups")); @@ -760,8 +779,6 @@ show_anova_table (const struct oneway_spec *cmd, const struct oneway_workspace * tab_hline (t, TAL_1, 0, n_cols - 1, i * 3 + 1); - gp->mse = (pvw->sst - pvw->ssa) / df2; - /* Sums of Squares */ tab_double (t, 2, i * 3 + 1, 0, pvw->ssa, NULL); tab_double (t, 2, i * 3 + 3, 0, pvw->sst, NULL); @@ -771,14 +788,14 @@ show_anova_table (const struct oneway_spec *cmd, const struct oneway_workspace * /* Degrees of freedom */ tab_fixed (t, 3, i * 3 + 1, 0, df1, 4, 0); tab_fixed (t, 3, i * 3 + 2, 0, df2, 4, 0); - tab_fixed (t, 3, i * 3 + 3, 0, pvw->cc - 1, 4, 0); + tab_fixed (t, 3, i * 3 + 3, 0, n - 1, 4, 0); /* Mean Squares */ tab_double (t, 4, i * 3 + 1, TAB_RIGHT, msa, NULL); - tab_double (t, 4, i * 3 + 2, TAB_RIGHT, gp->mse, NULL); + tab_double (t, 4, i * 3 + 2, TAB_RIGHT, pvw->mse, NULL); { - const double F = msa / gp->mse ; + const double F = msa / pvw->mse ; /* The F value */ tab_double (t, 5, i * 3 + 1, 0, F, NULL); @@ -865,16 +882,17 @@ show_descriptives (const struct oneway_spec *cmd, const struct oneway_workspace { double T; double n, mean, variance; + double std_dev, std_error ; + + struct string vstr; const union value *gval = categoricals_get_value_by_subscript (cats, count); const struct descriptive_data *dd = categoricals_get_user_data_by_subscript (cats, count); moments1_calculate (dd->mom, &n, &mean, &variance, NULL, NULL); - double std_dev = sqrt (variance); - double std_error = std_dev / sqrt (n) ; - - struct string vstr; + std_dev = sqrt (variance); + std_error = std_dev / sqrt (n) ; ds_init_empty (&vstr); @@ -986,19 +1004,23 @@ show_homogeneity (const struct oneway_spec *cmd, const struct oneway_workspace * for (v = 0; v < cmd->n_vars; ++v) { + double n; + + const struct per_var_ws *pvw = &ws->vws[v]; - const struct categoricals *cats = covariance_get_categoricals (pvw->cov); const struct variable *var = cmd->vars[v]; const struct group_proc *gp = group_proc_get (cmd->vars[v]); const char *s = var_to_string (var); - - const double df1 = pvw->n_groups - 1; - const double df2 = pvw->cc - pvw->n_groups; + double df1, df2; double F = gp->levene; - tab_text (t, 0, v + 1, TAB_LEFT | TAT_TITLE, s); + moments1_calculate (ws->dd_total[v]->mom, &n, NULL, NULL, NULL, NULL); + df1 = pvw->n_groups - 1; + df2 = n - pvw->n_groups; + + tab_text (t, 0, v + 1, TAB_LEFT | TAT_TITLE, s); tab_double (t, 1, v + 1, TAB_RIGHT, F, NULL); tab_fixed (t, 2, v + 1, TAB_RIGHT, df1, 8, 0); @@ -1145,6 +1167,8 @@ show_contrast_tests (const struct oneway_spec *cmd, const struct oneway_workspac for (v = 0; v < cmd->n_vars; ++v) { + const struct per_var_ws *pvw = &ws->vws[v]; + const struct categoricals *cats = covariance_get_categoricals (pvw->cov); struct ll *cli; int i = 0; int lines_per_variable = 2 * n_contrasts; @@ -1157,14 +1181,10 @@ show_contrast_tests (const struct oneway_spec *cmd, const struct oneway_workspac ++i, cli = ll_next (cli)) { struct contrasts_node *cn = ll_data (cli, struct contrasts_node, ll); - struct ll *coeffi = ll_head (&cn->coefficient_list); - int ci; + struct ll *coeffi ; + int ci = 0; double contrast_value = 0.0; double coef_msq = 0.0; - struct group_proc *grp_data = group_proc_get (cmd->vars[v]); - struct hsh_table *group_hash = grp_data->group_hash; - - void *const *group_stat_array; double T; double std_error_contrast; @@ -1184,6 +1204,11 @@ show_contrast_tests (const struct oneway_spec *cmd, const struct oneway_workspac double df_denominator = 0.0; double df_numerator = 0.0; + + double grand_n; + moments1_calculate (ws->dd_total[v]->mom, &grand_n, NULL, NULL, NULL, NULL); + df = grand_n - pvw->n_groups; + if ( i == 0 ) { tab_text (t, 1, (v * lines_per_variable) + i + 1, @@ -1206,27 +1231,28 @@ show_contrast_tests (const struct oneway_spec *cmd, const struct oneway_workspac if (cn->bad_count) continue; - group_stat_array = hsh_sort (group_hash); - - for (ci = 0; - coeffi != ll_null (&cn->coefficient_list) && - ci < hsh_count (group_hash); + for (coeffi = ll_head (&cn->coefficient_list); + coeffi != ll_null (&cn->coefficient_list); ++ci, coeffi = ll_next (coeffi)) { + double n, mean, variance; + const struct descriptive_data *dd = categoricals_get_user_data_by_subscript (cats, ci); struct coeff_node *cn = ll_data (coeffi, struct coeff_node, ll); const double coef = cn->coeff; - struct group_statistics *gs = group_stat_array[ci]; + double winv ; + + moments1_calculate (dd->mom, &n, &mean, &variance, NULL, NULL); - const double winv = pow2 (gs->std_dev) / gs->n; + winv = variance / n; - contrast_value += coef * gs->mean; + contrast_value += coef * mean; - coef_msq += (coef * coef) / gs->n; + coef_msq += (pow2 (coef)) / n; - sec_vneq += (coef * coef) * pow2 (gs->std_dev) /gs->n; + sec_vneq += (pow2 (coef)) * variance / n; - df_numerator += (coef * coef) * winv; - df_denominator += pow2((coef * coef) * winv) / (gs->n - 1); + df_numerator += (pow2 (coef)) * winv; + df_denominator += pow2((pow2 (coef)) * winv) / (n - 1); } sec_vneq = sqrt (sec_vneq); @@ -1240,7 +1266,7 @@ show_contrast_tests (const struct oneway_spec *cmd, const struct oneway_workspac n_contrasts, TAB_RIGHT, contrast_value, NULL); - std_error_contrast = sqrt (grp_data->mse * coef_msq); + std_error_contrast = sqrt (pvw->mse * coef_msq); /* Std. Error */ tab_double (t, 4, (v * lines_per_variable) + i + 1, @@ -1255,7 +1281,6 @@ show_contrast_tests (const struct oneway_spec *cmd, const struct oneway_workspac TAB_RIGHT, T, NULL); - df = grp_data->ugs.n - grp_data->n_groups; /* Degrees of Freedom */ tab_fixed (t, 6, (v * lines_per_variable) + i + 1,