X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Flanguage%2Fstats%2Fbinomial.c;h=f4344b76e86010603e10e0af33a12e8f717632af;hb=537fdeb3702c011e05d7826a8d556a7beeba2605;hp=33c47989e74015025c9b5f3415da17f51bf81a01;hpb=d7d263511bd18042408c40d5536c20c59988ee15;p=pspp-builds.git diff --git a/src/language/stats/binomial.c b/src/language/stats/binomial.c index 33c47989..f4344b76 100644 --- a/src/language/stats/binomial.c +++ b/src/language/stats/binomial.c @@ -1,34 +1,31 @@ -/* PSPP - computes sample statistics. - Copyright (C) 2006 Free Software Foundation, Inc. +/* PSPP - a program for statistical analysis. + Copyright (C) 2006, 2009 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 2 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 3 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. */ + along with this program. If not, see . */ #include #include #include -#include +#include #include -#include +#include #include #include #include #include #include -#include #include #include @@ -36,6 +33,8 @@ #include "binomial.h" #include "freq.h" +#include "xalloc.h" + #include "gettext.h" #define _(msgid) gettext (msgid) @@ -43,7 +42,6 @@ #include #include -#include #include @@ -78,10 +76,10 @@ calculate_binomial (double n1, double n2, double p) static double calculate_binomial_internal (double n1, double n2, double p) { - /* SPSS Statistical Algorithms has completely different and WRONG + /* SPSS Statistical Algorithms has completely different and WRONG advice here. */ - double sig1tailed = gslextras_cdf_binomial_P (n1, n1 + n2, p); + double sig1tailed = gsl_cdf_binomial_P (n1, p, n1 + n2); if ( p == 0.5 ) return sig1tailed > 0.5 ? 1.0 :sig1tailed * 2.0; @@ -89,181 +87,207 @@ calculate_binomial_internal (double n1, double n2, double p) return sig1tailed ; } -static void +static bool do_binomial (const struct dictionary *dict, - const struct casefile *cf, + struct casereader *input, const struct binomial_test *bst, - struct freq *cat1, - struct freq *cat2, - const struct casefilter *filter + struct freq_mutable *cat1, + struct freq_mutable *cat2, + enum mv_class exclude ) { bool warn = true; const struct one_sample_test *ost = (const struct one_sample_test *) bst; - struct ccase c; - struct casereader *r = casefile_get_reader (cf, NULL); + struct ccase *c; - while (casereader_read(r, &c)) + while ((c = casereader_read(input)) != NULL) { int v; - double w = - dict_get_case_weight (dict, &c, &warn); + double w = dict_get_case_weight (dict, c, &warn); for (v = 0 ; v < ost->n_vars ; ++v ) { const struct variable *var = ost->vars[v]; - const union value *value = case_data (&c, var); + const union value *value = case_data (c, var); + int width = var_get_width (var); - if ( casefilter_variable_missing (filter, &c, var)) - break; + if (var_is_value_missing (var, value, exclude)) + continue; - if ( NULL == cat1[v].value ) + if (bst->cutpoint != SYSMIS) { - cat1[v].value = value_dup (value, var_get_width (var)); - cat1[v].count = w; + if ( compare_values_short (cat1[v].value, value, var) >= 0 ) + cat1[v].count += w; + else + cat2[v].count += w; } - else if ( 0 == compare_values (cat1[v].value, value, - var_get_width (var))) - cat1[v].count += w; - else if ( NULL == cat2[v].value ) + else { - cat2[v].value = value_dup (value, var_get_width (var)); - cat2[v].count = w; + if ( NULL == cat1[v].value ) + { + cat1[v].value = value_dup (value, width); + cat1[v].count = w; + } + else if ( 0 == compare_values_short (cat1[v].value, value, var)) + cat1[v].count += w; + else if ( NULL == cat2[v].value ) + { + cat2[v].value = value_dup (value, width); + cat2[v].count = w; + } + else if ( 0 == compare_values_short (cat2[v].value, value, var)) + cat2[v].count += w; + else if ( bst->category1 == SYSMIS) + msg (ME, _("Variable %s is not dichotomous"), var_get_name (var)); } - else if ( 0 == compare_values (cat2[v].value, value, - var_get_width (var))) - cat2[v].count += w; - else if ( bst->category1 == SYSMIS) - msg (ME, _("Variable %s is not dichotomous"), var_get_name (var)); } - case_destroy (&c); + case_unref (c); } - casereader_destroy (r); + return casereader_destroy (input); } void binomial_execute (const struct dataset *ds, - const struct casefile *cf, - struct casefilter *filter, - const struct npar_test *test) + struct casereader *input, + enum mv_class exclude, + const struct npar_test *test, + bool exact UNUSED, + double timer UNUSED) { int v; + const struct dictionary *dict = dataset_dict (ds); const struct binomial_test *bst = (const struct binomial_test *) test; const struct one_sample_test *ost = (const struct one_sample_test*) test; - struct freq *cat1 = xzalloc (sizeof (*cat1) * ost->n_vars); - struct freq *cat2 = xzalloc (sizeof (*cat1) * ost->n_vars); - struct tab_table *table ; + struct freq_mutable *cat1 = xzalloc (sizeof (*cat1) * ost->n_vars); + struct freq_mutable *cat2 = xzalloc (sizeof (*cat1) * ost->n_vars); - assert ((bst->category1 == SYSMIS) == (bst->category2 == SYSMIS) ); + assert ((bst->category1 == SYSMIS) == (bst->category2 == SYSMIS) || bst->cutpoint != SYSMIS); - if ( bst->category1 != SYSMIS ) + if ( bst->cutpoint != SYSMIS ) + { + int i; + union value v; + v.f = bst->cutpoint; + for (i = 0; i < ost->n_vars; i++) + cat1[i].value = value_dup (&v, 0); + } + else if ( bst->category1 != SYSMIS ) { + int i; union value v; v.f = bst->category1; - cat1->value = value_dup (&v, 0); + for (i = 0; i < ost->n_vars; i++) + cat1[i].value = value_dup (&v, 0); } if ( bst->category2 != SYSMIS ) { + int i; union value v; v.f = bst->category2; - cat2->value = value_dup (&v, 0); + for (i = 0; i < ost->n_vars; i++) + cat2[i].value = value_dup (&v, 0); } - do_binomial (dataset_dict(ds), cf, bst, cat1, cat2, filter); - - table = tab_create (7, ost->n_vars * 3 + 1, 0); - - tab_dim (table, tab_natural_dimensions); - - tab_title (table, _("Binomial Test")); - - tab_headers (table, 2, 0, 1, 0); - - tab_box (table, TAL_1, TAL_1, -1, TAL_1, - 0, 0, table->nc - 1, tab_nr(table) - 1 ); - - for (v = 0 ; v < ost->n_vars; ++v) + if (do_binomial (dict, input, bst, cat1, cat2, exclude)) { - double n_total, sig; - const struct variable *var = ost->vars[v]; - tab_hline (table, TAL_1, 0, tab_nc (table) -1, 1 + v * 3); + const struct variable *wvar = dict_get_weight (dict); + const struct fmt_spec *wfmt = wvar ? + var_get_print_format (wvar) : & F_8_0; - /* Titles */ - tab_text (table, 0, 1 + v * 3, TAB_LEFT, - var_to_string (var)); + struct tab_table *table = tab_create (7, ost->n_vars * 3 + 1, 0); - tab_text (table, 1, 1 + v * 3, TAB_LEFT, - _("Group1")); + tab_dim (table, tab_natural_dimensions); - tab_text (table, 1, 2 + v * 3, TAB_LEFT, - _("Group2")); + tab_title (table, _("Binomial Test")); - tab_text (table, 1, 3 + v * 3, TAB_LEFT, - _("Total")); + tab_headers (table, 2, 0, 1, 0); - /* Test Prop */ - tab_float (table, 5, 1 + v * 3, TAB_NONE, bst->p, 8, 3); + tab_box (table, TAL_1, TAL_1, -1, TAL_1, + 0, 0, table->nc - 1, tab_nr(table) - 1 ); - /* Category labels */ - tab_text (table, 2, 1 + v * 3, TAB_NONE, - var_get_value_name (var, cat1[v].value)); + for (v = 0 ; v < ost->n_vars; ++v) + { + double n_total, sig; + struct string catstr1; + struct string catstr2; + const struct variable *var = ost->vars[v]; - tab_text (table, 2, 2 + v * 3, TAB_NONE, - var_get_value_name (var, cat2[v].value)); + ds_init_empty (&catstr1); + ds_init_empty (&catstr2); - /* Observed N */ - tab_float (table, 3, 1 + v * 3, TAB_NONE, - cat1[v].count, 8, 0); - - tab_float (table, 3, 2 + v * 3, TAB_NONE, - cat2[v].count, 8, 0); + if ( bst->cutpoint != SYSMIS) + { + ds_put_format (&catstr1, "<= %g", bst->cutpoint); + } + else + { + var_append_value_name (var, cat1[v].value, &catstr1); + var_append_value_name (var, cat2[v].value, &catstr2); + } - n_total = cat1[v].count + cat2[v].count; + tab_hline (table, TAL_1, 0, tab_nc (table) -1, 1 + v * 3); + /* Titles */ + tab_text (table, 0, 1 + v * 3, TAB_LEFT, var_to_string (var)); + tab_text (table, 1, 1 + v * 3, TAB_LEFT, _("Group1")); + tab_text (table, 1, 2 + v * 3, TAB_LEFT, _("Group2")); + tab_text (table, 1, 3 + v * 3, TAB_LEFT, _("Total")); - tab_float (table, 3, 3 + v * 3, TAB_NONE, - n_total, 8, 0); + /* Test Prop */ + tab_double (table, 5, 1 + v * 3, TAB_NONE, bst->p, NULL); - /* Observed Proportions */ + /* Category labels */ + tab_text (table, 2, 1 + v * 3, TAB_NONE, ds_cstr (&catstr1)); + tab_text (table, 2, 2 + v * 3, TAB_NONE, ds_cstr (&catstr2)); - tab_float (table, 4, 1 + v * 3, TAB_NONE, - cat1[v].count / n_total, 8, 3); + /* Observed N */ + tab_double (table, 3, 1 + v * 3, TAB_NONE, cat1[v].count, wfmt); + tab_double (table, 3, 2 + v * 3, TAB_NONE, cat2[v].count, wfmt); - tab_float (table, 4, 2 + v * 3, TAB_NONE, - cat2[v].count / n_total, 8, 3); + n_total = cat1[v].count + cat2[v].count; + tab_double (table, 3, 3 + v * 3, TAB_NONE, n_total, wfmt); - tab_float (table, 4, 3 + v * 3, TAB_NONE, - (cat1[v].count + cat2[v].count) / n_total, 8, 2); + /* Observed Proportions */ + tab_double (table, 4, 1 + v * 3, TAB_NONE, + cat1[v].count / n_total, NULL); + tab_double (table, 4, 2 + v * 3, TAB_NONE, + cat2[v].count / n_total, NULL); + tab_double (table, 4, 3 + v * 3, TAB_NONE, + (cat1[v].count + cat2[v].count) / n_total, NULL); - /* Significance */ - sig = calculate_binomial (cat1[v].count, cat2[v].count, - bst->p); + /* Significance */ + sig = calculate_binomial (cat1[v].count, cat2[v].count, bst->p); + tab_double (table, 6, 1 + v * 3, TAB_NONE, sig, NULL); - tab_float (table, 6, 1 + v * 3, TAB_NONE, - sig, 8, 3); - } + ds_destroy (&catstr1); + ds_destroy (&catstr2); + } - tab_text (table, 2, 0, TAB_CENTER, _("Category")); - tab_text (table, 3, 0, TAB_CENTER, _("N")); - tab_text (table, 4, 0, TAB_CENTER, _("Observed Prop.")); - tab_text (table, 5, 0, TAB_CENTER, _("Test Prop.")); + tab_text (table, 2, 0, TAB_CENTER, _("Category")); + tab_text (table, 3, 0, TAB_CENTER, _("N")); + tab_text (table, 4, 0, TAB_CENTER, _("Observed Prop.")); + tab_text (table, 5, 0, TAB_CENTER, _("Test Prop.")); - tab_text (table, 6, 0, TAB_CENTER | TAT_PRINTF, - _("Exact Sig. (%d-tailed)"), - bst->p == 0.5 ? 2: 1); + tab_text (table, 6, 0, TAB_CENTER | TAT_PRINTF, + _("Exact Sig. (%d-tailed)"), + bst->p == 0.5 ? 2: 1); - tab_vline (table, TAL_2, 2, 0, tab_nr (table) -1); + tab_vline (table, TAL_2, 2, 0, tab_nr (table) -1); + tab_submit (table); + } + for (v = 0; v < ost->n_vars; v++) + { + free (cat1[v].value); + free (cat2[v].value); + } free (cat1); free (cat2); - - tab_submit (table); - }