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., 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef FACTOR_STATS
#define FACTOR_STATS
#include "hash.h"
#include "val.h"
+#include <string.h>
+#include <gsl/gsl_histogram.h>
+#include "subclist.h"
+#include "percentiles.h"
+
+struct moments1;
struct metrics
{
double n_missing;
- double ssq;
-
- double sum;
-
double min;
double max;
double mean;
- double stderr;
+ double se_mean;
double var;
double stddev;
+ struct moments1 *moments;
+
+ gsl_histogram *histogram;
+
+ double skewness;
+ double kurtosis;
+
double trimmed_mean;
- /* A hash of data for this factor.
- */
+ /* A hash of data for this factor. */
struct hsh_table *ordered_data;
/* A Pointer to this hash table AFTER it has been SORTED and crunched */
struct weighted_value **wvp;
-
/* The number of values in the above array
(if all the weights are 1, then this will
be the same as n) */
int n_data;
-};
+ /* Percentile stuff */
+
+ /* A hash of struct percentiles */
+ struct hsh_table *ptile_hash;
+
+ /* Algorithm to be used for calculating percentiles */
+ enum pc_alg ptile_alg;
+ /* Tukey's Hinges */
+ double hinge[3];
+};
+
+
+struct metrics * metrics_create(void);
void metrics_precalc(struct metrics *m);
void metrics_postcalc(struct metrics *m);
+void metrics_destroy(struct metrics *m);
+
+
/* Linked list of case nos */
struct case_node
struct factor_statistics {
- /* The value of the independent variable */
+ /* The values of the independent variables */
union value id[2];
/* The an array stats for this factor, one for each dependent var */
struct metrics *m;
+ /* The number of dependent variables */
+ int n_var;
};
void factor_statistics_free(struct factor_statistics *f);
+/* Compare f0 and f1.
+ width is the width of the independent variable */
int
factor_statistics_compare(const struct factor_statistics *f0,
- const struct factor_statistics *f1, void *aux);
+ const struct factor_statistics *f1, int width);
unsigned int
-factor_statistics_hash(const struct factor_statistics *f, void *aux);
-
-
-
-
-
+factor_statistics_hash(const struct factor_statistics *f, int width);
#endif