data.h

FP-GROWTH算法实现数据挖掘中的关联规则

/*----------------------------------------------------------------------
  File    : Data.h
  Contents: data set management
    Update  : 12/3/2005
  ----------------------------------------------------------------------*/
#include <stdio.h>
class Transaction
{
 public:
  Transaction(int l) : length(l) {t = new int[l];}
  Transaction(const Transaction &tr);
  ~Transaction(){delete [] t;}
  int length;
  int *t;
};
class Data
{
 public:
  Data(char *filename, int t=0);
  ~Data();
  Transaction *getNext();
 private:
  Transaction *getNextAs();
  Transaction *getNextAsFlat();
  Transaction *getNextAsQuest();
  Transaction *getNextBin();
  FILE *in;
  char *fn;
  int current;
  int type;
};