-/* PSPP - Creates design-matrices.
+/* PSPP - a program for statistical analysis.
Copyright (C) 2005 Free Software Foundation, Inc.
- Written by Jason H Stover <jason@sakla.net>.
- 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 <http://www.gnu.org/licenses/>. */
/*
Create design matrices for procedures that need them.
#include <stdlib.h>
#include <string.h>
-#include <libpspp/alloc.h>
#include <libpspp/message.h>
#include <data/variable.h>
#include <data/category.h>
#include <gsl/gsl_vector.h>
#include <gsl/gsl_matrix.h>
+#include "xalloc.h"
+
#define DM_COLUMN_NOT_FOUND -1
#define DM_INDEX_NOT_FOUND -3
}
/*
- Set the appropriate value in the design matrix,
+ Set the appropriate value in the design matrix,
whether that value is from a categorical or numeric
variable. For a categorical variable, only the usual
binary encoding is allowed.
assert (col != DM_COLUMN_NOT_FOUND);
gsl_matrix_set (dm->m, row, col, val->f);
}
+
+struct design_matrix *
+design_matrix_clone (const struct design_matrix *dm)
+{
+ struct design_matrix *result;
+ size_t i;
+ size_t j;
+
+ assert (dm != NULL);
+ result = xmalloc (sizeof *result);
+ result->vars = xnmalloc (dm->n_vars, sizeof *dm->vars);
+ result->n_vars = dm->n_vars;
+ result->m = gsl_matrix_alloc (dm->m->size1, dm->m->size2);
+
+ gsl_matrix_memcpy (result->m, dm->m);
+ for (i = 0; i < result->n_vars; i++)
+ {
+ result->vars[i] = dm->vars[i];
+ }
+ return result;
+}
+