/* PSPP - a program for statistical analysis.
- Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2009, 2010, 2011 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
#ifndef COVARIANCE_H
#define COVARIANCE_H
-#include <stddef.h>
-
-#include <data/missing-values.h>
#include <gsl/gsl_matrix.h>
+#include <stddef.h>
+#include "data/missing-values.h"
struct covariance;
struct variable;
const gsl_matrix *covariance_moments (const struct covariance *cov, int m);
const struct categoricals * covariance_get_categoricals (const struct covariance *cov);
+size_t covariance_dim (const struct covariance * cov);
#endif