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[Pspp-cvs] pspp/src regression.q
From: |
Jason H Stover |
Subject: |
[Pspp-cvs] pspp/src regression.q |
Date: |
Fri, 30 Dec 2005 04:59:49 +0000 |
CVSROOT: /sources/pspp
Module name: pspp
Branch:
Changes by: Jason H Stover <address@hidden> 05/12/30 04:59:49
Modified files:
src : regression.q
Log message:
Added categorical variable support for model export
CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/pspp/pspp/src/regression.q.diff?tr1=1.28&tr2=1.29&r1=text&r2=text
Patches:
Index: pspp/src/regression.q
diff -u pspp/src/regression.q:1.28 pspp/src/regression.q:1.29
--- pspp/src/regression.q:1.28 Thu Dec 29 18:02:14 2005
+++ pspp/src/regression.q Fri Dec 30 04:59:49 2005
@@ -472,6 +472,44 @@
statistics_keyword_output (reg_stats_tol, keywords[tol], c);
statistics_keyword_output (reg_stats_selection, keywords[selection], c);
}
+
+static void
+reg_print_categorical_encoding (FILE *fp, pspp_linreg_cache *c)
+{
+ int i;
+ size_t j;
+ struct pspp_linreg_coeff coeff;
+ union value *val;
+
+ fprintf (fp, "%s", reg_export_categorical_encode_1);
+
+ for (i = 1; i < c->n_indeps; i++) /* c->coeff[0] is the intercept. */
+ {
+ coeff = c->coeff[i];
+ if (coeff.v->type == ALPHA)
+ {
+ fprintf (fp, "struct pspp_reg_categorical_variable %s;\n\t",
coeff.v->name);
+ }
+ }
+ for (i = 1; i < c->n_indeps; i++)
+ {
+ coeff = c->coeff[i];
+ if (coeff.v->type == ALPHA)
+ {
+ fprintf (fp, "%s.name = \"%s\";\n\t", coeff.v->name, coeff.v->name);
+ fprintf (fp, "%s.n_vals = %d;\n\t", coeff.v->name,
coeff.v->obs_vals->n_categories);
+ fprintf (fp, "%s.values = {", coeff.v->name);
+ for (j = 0; j < coeff.v->obs_vals->n_categories - 1; j++)
+ {
+ val = cat_subscript_to_value ( (const size_t) j, coeff.v);
+ fprintf (fp, "\"%s\",\n\t\t", val->s);
+ }
+ val = cat_subscript_to_value ( (const size_t) j, coeff.v);
+ fprintf (fp, "\"%s\"};\n\n\t", val->s);
+ }
+ }
+}
+
static void
reg_print_depvars (FILE *fp, pspp_linreg_cache *c)
{
@@ -517,6 +555,7 @@
fprintf (fp, "%s", reg_preamble);
fprintf (fp, "#include <string.h>\n#include <math.h>\n\n");
reg_print_getvar (fp, c);
+ reg_print_categorical_encoding (fp, c);
fprintf (fp, "%s", reg_export_t_quantiles_1);
increment = 0.5 / (double) increment;
for (i = 0; i < n_quantiles - 1; i++)
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/15
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/15
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/15
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/16
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/17
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/18
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/18
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/19
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/26
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/29
- [Pspp-cvs] pspp/src regression.q,
Jason H Stover <=
- [Pspp-cvs] pspp/src regression.q, Jason H Stover, 2005/12/31