#include <gsl/gsl_vector.h>
#include <math.h>
#include <stdlib.h>
-#include <data/case.h>
-#include <data/casegrouper.h>
-#include <data/casereader.h>
-#include <data/dictionary.h>
-#include <data/missing-values.h>
-#include <data/procedure.h>
-#include <data/transformations.h>
-#include <data/value-labels.h>
-#include <data/variable.h>
-#include <language/command.h>
-#include <language/dictionary/split-file.h>
-#include <language/data-io/file-handle.h>
-#include <language/lexer/lexer.h>
-#include <libpspp/compiler.h>
-#include <libpspp/message.h>
-#include <libpspp/taint.h>
-#include <math/covariance.h>
-#include <math/linreg.h>
-#include <math/moments.h>
-#include <output/tab.h>
+
+#include "data/case.h"
+#include "data/casegrouper.h"
+#include "data/casereader.h"
+#include "data/dataset.h"
+#include "data/dictionary.h"
+#include "data/missing-values.h"
+#include "data/transformations.h"
+#include "data/value-labels.h"
+#include "data/variable.h"
+#include "language/command.h"
+#include "language/data-io/file-handle.h"
+#include "language/dictionary/split-file.h"
+#include "language/lexer/lexer.h"
+#include "libpspp/compiler.h"
+#include "libpspp/message.h"
+#include "libpspp/taint.h"
+#include "math/covariance.h"
+#include "math/linreg.h"
+#include "math/moments.h"
+#include "output/tab.h"
#include "gl/intprops.h"
#include "gl/xalloc.h"
}
return n_indep_vars;
}
+
static double
fill_covariance (gsl_matrix *cov, struct covariance *all_cov,
const struct variable **vars,
size_t dep_subscript;
size_t *rows;
const gsl_matrix *ssizes;
- gsl_matrix *cm;
const gsl_matrix *mean_matrix;
const gsl_matrix *ssize_matrix;
double result = 0.0;
- cm = covariance_calculate_unnormalized (all_cov);
+ gsl_matrix *cm = covariance_calculate_unnormalized (all_cov);
+
+ if ( cm == NULL)
+ return 0;
+
rows = xnmalloc (cov->size1 - 1, sizeof (*rows));
for (i = 0; i < n_all_vars; i++)
dict_get_weight (dict), MV_ANY);
reader = casereader_clone (input);
- reader = casereader_create_filter_missing (reader, v_variables, n_variables,
+ reader = casereader_create_filter_missing (reader, all_vars, n_all_vars,
MV_ANY, NULL, NULL);
+
+
for (; (c = casereader_read (reader)) != NULL; case_unref (c))
{
covariance_accumulate (cov, c);