entropia.h

source codes for ltr

/*********************************************************************/
/*        LINEAR TREE for Supervised Learning                        */
/*        Versao 1.0 (10/12/1997)                                    */
/*        Developed by: Joao Gama                                    */
/*                LIACC - Uni.do Porto                               */
/*                [e-mail]                                    */
/*-------------------------------------------------------------------*/
/*   FILE:entropia.h                                                 */  
/*********************************************************************/
#ifndef _ENTROPYHEADER
#define _ENTROPYHEADER

typedef struct {
  int attribute;
  double cut_point;
  double gain;
  double info;
} EntAtt;

#define ENT_ATT(Ent)   (Ent->attribute)
#define ENT_SPLIT(Ent) (Ent->cut_point)
#define ENT_GAIN(Ent)  (Ent->gain)
#define ENT_INFO(Ent)  (Ent->info)

EntAtt *entropia(CiDs *ds, double ***STATIS, double *class_freq, int nr_att, long int Low, long int High, double *mean);
#endif